21610128

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 60103296

約数和(自身を除く): 38493168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 71, 102, 136, 142, 204, 213, 272, 284, 373, 408, 426, 568, 746, 816, 852, 1119, 1136, 1207, 1492, 1704, 2238, 2414, 2984, 3408, 3621, 4476, 4828, 5968, 6341, 7242, 8952, 9656, 12682, 14484, 17904, 19023, 19312, 25364, 26483, 28968, 38046, 50728, 52966, 57936, 76092, 79449, 101456, 105932, 152184, 158898, 211864, 304368, 317796, 423728, 450211, 635592, 900422, 1271184, 1350633, 1800844, 2701266, 3601688, 5402532, 7203376, 10805064, 21610128]

約数ペア:

[(1, 21610128), (2, 10805064), (3, 7203376), (4, 5402532), (6, 3601688), (8, 2701266), (12, 1800844), (16, 1350633), (17, 1271184), (24, 900422), (34, 635592), (48, 450211), (51, 423728), (68, 317796), (71, 304368), (102, 211864), (136, 158898), (142, 152184), (204, 105932), (213, 101456), (272, 79449), (284, 76092), (373, 57936), (408, 52966), (426, 50728), (568, 38046), (746, 28968), (816, 26483), (852, 25364), (1119, 19312), (1136, 19023), (1207, 17904), (1492, 14484), (1704, 12682), (2238, 9656), (2414, 8952), (2984, 7242), (3408, 6341), (3621, 5968), (4476, 4828)]