21912456

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 59400000

約数和(自身を除く): 37487544

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 43, 51, 68, 86, 102, 129, 136, 172, 204, 258, 344, 408, 516, 731, 1032, 1249, 1462, 2193, 2498, 2924, 3747, 4386, 4996, 5848, 7494, 8772, 9992, 14988, 17544, 21233, 29976, 42466, 53707, 63699, 84932, 107414, 127398, 161121, 169864, 214828, 254796, 322242, 429656, 509592, 644484, 913019, 1288968, 1826038, 2739057, 3652076, 5478114, 7304152, 10956228, 21912456]

約数ペア:

[(1, 21912456), (2, 10956228), (3, 7304152), (4, 5478114), (6, 3652076), (8, 2739057), (12, 1826038), (17, 1288968), (24, 913019), (34, 644484), (43, 509592), (51, 429656), (68, 322242), (86, 254796), (102, 214828), (129, 169864), (136, 161121), (172, 127398), (204, 107414), (258, 84932), (344, 63699), (408, 53707), (516, 42466), (731, 29976), (1032, 21233), (1249, 17544), (1462, 14988), (2193, 9992), (2498, 8772), (2924, 7494), (3747, 5848), (4386, 4996)]