21215697936

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1\times {\mathrm{5333}}^1$

素因数の和:6648

約数の個数: 80

約数和(自身を含む): 55680644544

約数和(自身を除く): 34464946608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1237, 1608, 2474, 3216, 3711, 4948, 5333, 7422, 9896, 10666, 14844, 15999, 19792, 21332, 29688, 31998, 42664, 59376, 63996, 82879, 85328, 127992, 165758, 248637, 255984, 331516, 357311, 497274, 663032, 714622, 994548, 1071933, 1326064, 1429244, 1989096, 2143866, 2858488, 3978192, 4287732, 5716976, 6596921, 8575464, 13193842, 17150928, 19790763, 26387684, 39581526, 52775368, 79163052, 105550736, 158326104, 316652208, 441993707, 883987414, 1325981121, 1767974828, 2651962242, 3535949656, 5303924484, 7071899312, 10607848968, 21215697936]

約数ペア:

[(1, 21215697936), (2, 10607848968), (3, 7071899312), (4, 5303924484), (6, 3535949656), (8, 2651962242), (12, 1767974828), (16, 1325981121), (24, 883987414), (48, 441993707), (67, 316652208), (134, 158326104), (201, 105550736), (268, 79163052), (402, 52775368), (536, 39581526), (804, 26387684), (1072, 19790763), (1237, 17150928), (1608, 13193842), (2474, 8575464), (3216, 6596921), (3711, 5716976), (4948, 4287732), (5333, 3978192), (7422, 2858488), (9896, 2143866), (10666, 1989096), (14844, 1429244), (15999, 1326064), (19792, 1071933), (21332, 994548), (29688, 714622), (31998, 663032), (42664, 497274), (59376, 357311), (63996, 331516), (82879, 255984), (85328, 248637), (127992, 165758)]