21559230

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 256

約数和(自身を含む): 77137920

約数和(自身を除く): 55578690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 17, 18, 21, 22, 27, 30, 33, 34, 35, 42, 45, 51, 54, 55, 61, 63, 66, 70, 77, 85, 90, 99, 102, 105, 110, 119, 122, 126, 135, 153, 154, 165, 170, 183, 187, 189, 198, 210, 231, 238, 255, 270, 297, 305, 306, 315, 330, 357, 366, 374, 378, 385, 427, 459, 462, 495, 510, 549, 561, 594, 595, 610, 630, 671, 693, 714, 765, 770, 854, 915, 918, 935, 945, 990, 1037, 1071, 1098, 1122, 1155, 1190, 1281, 1309, 1342, 1386, 1485, 1530, 1647, 1683, 1785, 1830, 1870, 1890, 2013, 2074, 2079, 2135, 2142, 2295, 2310, 2562, 2618, 2745, 2805, 2970, 3111, 3213, 3294, 3355, 3366, 3465, 3570, 3843, 3927, 4026, 4158, 4270, 4590, 4697, 5049, 5185, 5355, 5490, 5610, 6039, 6222, 6405, 6426, 6545, 6710, 6930, 7259, 7686, 7854, 8235, 8415, 9333, 9394, 10065, 10098, 10370, 10395, 10710, 11407, 11529, 11781, 12078, 12810, 13090, 14091, 14518, 15555, 16065, 16470, 16830, 18117, 18666, 19215, 19635, 20130, 20790, 21777, 22814, 23058, 23485, 23562, 25245, 27999, 28182, 30195, 31110, 32130, 34221, 35343, 36234, 36295, 38430, 39270, 42273, 43554, 46665, 46970, 50490, 55998, 57035, 57645, 58905, 60390, 65331, 68442, 70455, 70686, 72590, 79849, 84546, 90585, 93330, 102663, 108885, 114070, 115290, 117810, 126819, 130662, 139995, 140910, 159698, 171105, 176715, 181170, 195993, 205326, 211365, 217770, 239547, 253638, 279990, 307989, 326655, 342210, 353430, 391986, 399245, 422730, 479094, 513315, 615978, 634095, 653310, 718641, 798490, 979965, 1026630, 1197735, 1268190, 1437282, 1539945, 1959930, 2155923, 2395470, 3079890, 3593205, 4311846, 7186410, 10779615, 21559230]

約数ペア:

[(1, 21559230), (2, 10779615), (3, 7186410), (5, 4311846), (6, 3593205), (7, 3079890), (9, 2395470), (10, 2155923), (11, 1959930), (14, 1539945), (15, 1437282), (17, 1268190), (18, 1197735), (21, 1026630), (22, 979965), (27, 798490), (30, 718641), (33, 653310), (34, 634095), (35, 615978), (42, 513315), (45, 479094), (51, 422730), (54, 399245), (55, 391986), (61, 353430), (63, 342210), (66, 326655), (70, 307989), (77, 279990), (85, 253638), (90, 239547), (99, 217770), (102, 211365), (105, 205326), (110, 195993), (119, 181170), (122, 176715), (126, 171105), (135, 159698), (153, 140910), (154, 139995), (165, 130662), (170, 126819), (183, 117810), (187, 115290), (189, 114070), (198, 108885), (210, 102663), (231, 93330), (238, 90585), (255, 84546), (270, 79849), (297, 72590), (305, 70686), (306, 70455), (315, 68442), (330, 65331), (357, 60390), (366, 58905), (374, 57645), (378, 57035), (385, 55998), (427, 50490), (459, 46970), (462, 46665), (495, 43554), (510, 42273), (549, 39270), (561, 38430), (594, 36295), (595, 36234), (610, 35343), (630, 34221), (671, 32130), (693, 31110), (714, 30195), (765, 28182), (770, 27999), (854, 25245), (915, 23562), (918, 23485), (935, 23058), (945, 22814), (990, 21777), (1037, 20790), (1071, 20130), (1098, 19635), (1122, 19215), (1155, 18666), (1190, 18117), (1281, 16830), (1309, 16470), (1342, 16065), (1386, 15555), (1485, 14518), (1530, 14091), (1647, 13090), (1683, 12810), (1785, 12078), (1830, 11781), (1870, 11529), (1890, 11407), (2013, 10710), (2074, 10395), (2079, 10370), (2135, 10098), (2142, 10065), (2295, 9394), (2310, 9333), (2562, 8415), (2618, 8235), (2745, 7854), (2805, 7686), (2970, 7259), (3111, 6930), (3213, 6710), (3294, 6545), (3355, 6426), (3366, 6405), (3465, 6222), (3570, 6039), (3843, 5610), (3927, 5490), (4026, 5355), (4158, 5185), (4270, 5049), (4590, 4697)]