16821888

素因数分解:

$2^7\times 3^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 45385920

約数和(自身を除く): 28564032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 284, 384, 426, 568, 617, 852, 1136, 1234, 1704, 1851, 2272, 2468, 3408, 3702, 4544, 4936, 6816, 7404, 9088, 9872, 13632, 14808, 19744, 27264, 29616, 39488, 43807, 59232, 78976, 87614, 118464, 131421, 175228, 236928, 262842, 350456, 525684, 700912, 1051368, 1401824, 2102736, 2803648, 4205472, 5607296, 8410944, 16821888]

約数ペア:

[(1, 16821888), (2, 8410944), (3, 5607296), (4, 4205472), (6, 2803648), (8, 2102736), (12, 1401824), (16, 1051368), (24, 700912), (32, 525684), (48, 350456), (64, 262842), (71, 236928), (96, 175228), (128, 131421), (142, 118464), (192, 87614), (213, 78976), (284, 59232), (384, 43807), (426, 39488), (568, 29616), (617, 27264), (852, 19744), (1136, 14808), (1234, 13632), (1704, 9872), (1851, 9088), (2272, 7404), (2468, 6816), (3408, 4936), (3702, 4544)]