21861776

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59407}}^1$

素因数の和:59438

約数の個数: 20

約数和(自身を含む): 44199552

約数和(自身を除く): 22337776

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 59407, 118814, 237628, 475256, 950512, 1366361, 2732722, 5465444, 10930888, 21861776]

約数ペア:

[(1, 21861776), (2, 10930888), (4, 5465444), (8, 2732722), (16, 1366361), (23, 950512), (46, 475256), (92, 237628), (184, 118814), (368, 59407)]