21645624

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 256

約数和(自身を含む): 78382080

約数和(自身を除く): 56736456

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 17, 21, 22, 24, 26, 28, 33, 34, 39, 42, 44, 51, 52, 53, 56, 66, 68, 77, 78, 84, 88, 91, 102, 104, 106, 119, 132, 136, 143, 154, 156, 159, 168, 182, 187, 204, 212, 221, 231, 238, 264, 273, 286, 308, 312, 318, 357, 364, 371, 374, 408, 424, 429, 442, 462, 476, 546, 561, 572, 583, 616, 636, 663, 689, 714, 728, 742, 748, 858, 884, 901, 924, 952, 1001, 1092, 1113, 1122, 1144, 1166, 1272, 1309, 1326, 1378, 1428, 1484, 1496, 1547, 1716, 1749, 1768, 1802, 1848, 2002, 2067, 2184, 2226, 2244, 2332, 2431, 2618, 2652, 2703, 2756, 2856, 2968, 3003, 3094, 3432, 3498, 3604, 3927, 4004, 4081, 4134, 4452, 4488, 4641, 4664, 4823, 4862, 5236, 5304, 5406, 5512, 6006, 6188, 6307, 6996, 7208, 7293, 7579, 7854, 8008, 8162, 8268, 8904, 9282, 9646, 9724, 9911, 10472, 10812, 11713, 12012, 12243, 12376, 12614, 13992, 14469, 14586, 15158, 15708, 16324, 16536, 17017, 18564, 18921, 19292, 19448, 19822, 21624, 22737, 23426, 24024, 24486, 25228, 28938, 29172, 29733, 30316, 31416, 32648, 34034, 35139, 37128, 37842, 38584, 39644, 45474, 46852, 48972, 50456, 51051, 53053, 57876, 58344, 59466, 60632, 68068, 69377, 70278, 75684, 79288, 81991, 90948, 93704, 97944, 102102, 106106, 115752, 118932, 128843, 136136, 138754, 140556, 151368, 159159, 163982, 181896, 204204, 208131, 212212, 237864, 245973, 257686, 277508, 281112, 318318, 327964, 386529, 408408, 416262, 424424, 491946, 515372, 555016, 636636, 655928, 773058, 832524, 901901, 983892, 1030744, 1273272, 1546116, 1665048, 1803802, 1967784, 2705703, 3092232, 3607604, 5411406, 7215208, 10822812, 21645624]

約数ペア:

[(1, 21645624), (2, 10822812), (3, 7215208), (4, 5411406), (6, 3607604), (7, 3092232), (8, 2705703), (11, 1967784), (12, 1803802), (13, 1665048), (14, 1546116), (17, 1273272), (21, 1030744), (22, 983892), (24, 901901), (26, 832524), (28, 773058), (33, 655928), (34, 636636), (39, 555016), (42, 515372), (44, 491946), (51, 424424), (52, 416262), (53, 408408), (56, 386529), (66, 327964), (68, 318318), (77, 281112), (78, 277508), (84, 257686), (88, 245973), (91, 237864), (102, 212212), (104, 208131), (106, 204204), (119, 181896), (132, 163982), (136, 159159), (143, 151368), (154, 140556), (156, 138754), (159, 136136), (168, 128843), (182, 118932), (187, 115752), (204, 106106), (212, 102102), (221, 97944), (231, 93704), (238, 90948), (264, 81991), (273, 79288), (286, 75684), (308, 70278), (312, 69377), (318, 68068), (357, 60632), (364, 59466), (371, 58344), (374, 57876), (408, 53053), (424, 51051), (429, 50456), (442, 48972), (462, 46852), (476, 45474), (546, 39644), (561, 38584), (572, 37842), (583, 37128), (616, 35139), (636, 34034), (663, 32648), (689, 31416), (714, 30316), (728, 29733), (742, 29172), (748, 28938), (858, 25228), (884, 24486), (901, 24024), (924, 23426), (952, 22737), (1001, 21624), (1092, 19822), (1113, 19448), (1122, 19292), (1144, 18921), (1166, 18564), (1272, 17017), (1309, 16536), (1326, 16324), (1378, 15708), (1428, 15158), (1484, 14586), (1496, 14469), (1547, 13992), (1716, 12614), (1749, 12376), (1768, 12243), (1802, 12012), (1848, 11713), (2002, 10812), (2067, 10472), (2184, 9911), (2226, 9724), (2244, 9646), (2332, 9282), (2431, 8904), (2618, 8268), (2652, 8162), (2703, 8008), (2756, 7854), (2856, 7579), (2968, 7293), (3003, 7208), (3094, 6996), (3432, 6307), (3498, 6188), (3604, 6006), (3927, 5512), (4004, 5406), (4081, 5304), (4134, 5236), (4452, 4862), (4488, 4823), (4641, 4664)]