21185494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50683}}^1$

素因数の和:50715

約数の個数: 16

約数和(自身を含む): 36492480

約数和(自身を除く): 15306986

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50683, 101366, 557513, 962977, 1115026, 1925954, 10592747, 21185494]

約数ペア:

[(1, 21185494), (2, 10592747), (11, 1925954), (19, 1115026), (22, 962977), (38, 557513), (209, 101366), (418, 50683)]