21918648

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 57087360

約数和(自身を除く): 35168712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 67, 86, 129, 134, 172, 201, 258, 268, 317, 344, 402, 516, 536, 634, 804, 951, 1032, 1268, 1608, 1902, 2536, 2881, 3804, 5762, 7608, 8643, 11524, 13631, 17286, 21239, 23048, 27262, 34572, 40893, 42478, 54524, 63717, 69144, 81786, 84956, 109048, 127434, 163572, 169912, 254868, 327144, 509736, 913277, 1826554, 2739831, 3653108, 5479662, 7306216, 10959324, 21918648]

約数ペア:

[(1, 21918648), (2, 10959324), (3, 7306216), (4, 5479662), (6, 3653108), (8, 2739831), (12, 1826554), (24, 913277), (43, 509736), (67, 327144), (86, 254868), (129, 169912), (134, 163572), (172, 127434), (201, 109048), (258, 84956), (268, 81786), (317, 69144), (344, 63717), (402, 54524), (516, 42478), (536, 40893), (634, 34572), (804, 27262), (951, 23048), (1032, 21239), (1268, 17286), (1608, 13631), (1902, 11524), (2536, 8643), (2881, 7608), (3804, 5762)]