21250064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120739}}^1$

素因数の和:120758

約数の個数: 20

約数和(自身を含む): 44915280

約数和(自身を除く): 23665216

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120739, 241478, 482956, 965912, 1328129, 1931824, 2656258, 5312516, 10625032, 21250064]

約数ペア:

[(1, 21250064), (2, 10625032), (4, 5312516), (8, 2656258), (11, 1931824), (16, 1328129), (22, 965912), (44, 482956), (88, 241478), (176, 120739)]