21717888

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2459}}^1$

素因数の和:2499

約数の個数: 64

約数和(自身を含む): 60220800

約数和(自身を除く): 38502912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2208, 2459, 2944, 4416, 4918, 7377, 8832, 9836, 14754, 19672, 29508, 39344, 56557, 59016, 78688, 113114, 118032, 157376, 169671, 226228, 236064, 314752, 339342, 452456, 472128, 678684, 904912, 944256, 1357368, 1809824, 2714736, 3619648, 5429472, 7239296, 10858944, 21717888]

約数ペア:

[(1, 21717888), (2, 10858944), (3, 7239296), (4, 5429472), (6, 3619648), (8, 2714736), (12, 1809824), (16, 1357368), (23, 944256), (24, 904912), (32, 678684), (46, 472128), (48, 452456), (64, 339342), (69, 314752), (92, 236064), (96, 226228), (128, 169671), (138, 157376), (184, 118032), (192, 113114), (276, 78688), (368, 59016), (384, 56557), (552, 39344), (736, 29508), (1104, 19672), (1472, 14754), (2208, 9836), (2459, 8832), (2944, 7377), (4416, 4918)]