21449610

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 71914752

約数和(自身を除く): 50465142

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 81, 90, 91, 97, 105, 117, 126, 130, 135, 162, 182, 189, 194, 195, 210, 234, 243, 270, 273, 291, 315, 351, 378, 390, 405, 455, 485, 486, 546, 567, 582, 585, 630, 679, 702, 810, 819, 873, 910, 945, 970, 1053, 1134, 1170, 1215, 1261, 1358, 1365, 1455, 1638, 1701, 1746, 1755, 1890, 2037, 2106, 2430, 2457, 2522, 2619, 2730, 2835, 2910, 3159, 3395, 3402, 3510, 3783, 4074, 4095, 4365, 4914, 5238, 5265, 5670, 6111, 6305, 6318, 6790, 7371, 7566, 7857, 8190, 8505, 8730, 8827, 10185, 10530, 11349, 12222, 12285, 12610, 13095, 14742, 15714, 15795, 17010, 17654, 18333, 18915, 20370, 22113, 22698, 23571, 24570, 26190, 26481, 30555, 31590, 34047, 36666, 36855, 37830, 39285, 44135, 44226, 47142, 52962, 54999, 56745, 61110, 68094, 73710, 78570, 79443, 88270, 91665, 102141, 109998, 110565, 113490, 117855, 132405, 158886, 164997, 170235, 183330, 204282, 221130, 235710, 238329, 264810, 274995, 306423, 329994, 340470, 397215, 476658, 510705, 549990, 612846, 714987, 794430, 824985, 1021410, 1191645, 1429974, 1532115, 1649970, 2144961, 2383290, 3064230, 3574935, 4289922, 7149870, 10724805, 21449610]

約数ペア:

[(1, 21449610), (2, 10724805), (3, 7149870), (5, 4289922), (6, 3574935), (7, 3064230), (9, 2383290), (10, 2144961), (13, 1649970), (14, 1532115), (15, 1429974), (18, 1191645), (21, 1021410), (26, 824985), (27, 794430), (30, 714987), (35, 612846), (39, 549990), (42, 510705), (45, 476658), (54, 397215), (63, 340470), (65, 329994), (70, 306423), (78, 274995), (81, 264810), (90, 238329), (91, 235710), (97, 221130), (105, 204282), (117, 183330), (126, 170235), (130, 164997), (135, 158886), (162, 132405), (182, 117855), (189, 113490), (194, 110565), (195, 109998), (210, 102141), (234, 91665), (243, 88270), (270, 79443), (273, 78570), (291, 73710), (315, 68094), (351, 61110), (378, 56745), (390, 54999), (405, 52962), (455, 47142), (485, 44226), (486, 44135), (546, 39285), (567, 37830), (582, 36855), (585, 36666), (630, 34047), (679, 31590), (702, 30555), (810, 26481), (819, 26190), (873, 24570), (910, 23571), (945, 22698), (970, 22113), (1053, 20370), (1134, 18915), (1170, 18333), (1215, 17654), (1261, 17010), (1358, 15795), (1365, 15714), (1455, 14742), (1638, 13095), (1701, 12610), (1746, 12285), (1755, 12222), (1890, 11349), (2037, 10530), (2106, 10185), (2430, 8827), (2457, 8730), (2522, 8505), (2619, 8190), (2730, 7857), (2835, 7566), (2910, 7371), (3159, 6790), (3395, 6318), (3402, 6305), (3510, 6111), (3783, 5670), (4074, 5265), (4095, 5238), (4365, 4914)]