21603494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51683}}^1$

素因数の和:51715

約数の個数: 16

約数和(自身を含む): 37212480

約数和(自身を除く): 15608986

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51683, 103366, 568513, 981977, 1137026, 1963954, 10801747, 21603494]

約数ペア:

[(1, 21603494), (2, 10801747), (11, 1963954), (19, 1137026), (22, 981977), (38, 568513), (209, 103366), (418, 51683)]