21499515704

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{276173}}^1$

素因数の和:276479

約数の個数: 32

約数和(自身を含む): 41558663520

約数和(自身を除く): 20059147816

約数列:

[1, 2, 4, 8, 37, 74, 148, 263, 296, 526, 1052, 2104, 9731, 19462, 38924, 77848, 276173, 552346, 1104692, 2209384, 10218401, 20436802, 40873604, 72633499, 81747208, 145266998, 290533996, 581067992, 2687439463, 5374878926, 10749757852, 21499515704]

約数ペア:

[(1, 21499515704), (2, 10749757852), (4, 5374878926), (8, 2687439463), (37, 581067992), (74, 290533996), (148, 145266998), (263, 81747208), (296, 72633499), (526, 40873604), (1052, 20436802), (2104, 10218401), (9731, 2209384), (19462, 1104692), (38924, 552346), (77848, 276173)]