21174064

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 43086528

約数和(自身を除く): 21912464

約数列:

[1, 2, 4, 8, 16, 37, 47, 74, 94, 148, 188, 296, 376, 592, 752, 761, 1522, 1739, 3044, 3478, 6088, 6956, 12176, 13912, 27824, 28157, 35767, 56314, 71534, 112628, 143068, 225256, 286136, 450512, 572272, 1323379, 2646758, 5293516, 10587032, 21174064]

約数ペア:

[(1, 21174064), (2, 10587032), (4, 5293516), (8, 2646758), (16, 1323379), (37, 572272), (47, 450512), (74, 286136), (94, 225256), (148, 143068), (188, 112628), (296, 71534), (376, 56314), (592, 35767), (752, 28157), (761, 27824), (1522, 13912), (1739, 12176), (3044, 6956), (3478, 6088)]