21039194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50333}}^1$

素因数の和:50365

約数の個数: 16

約数和(自身を含む): 36240480

約数和(自身を除く): 15201286

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50333, 100666, 553663, 956327, 1107326, 1912654, 10519597, 21039194]

約数ペア:

[(1, 21039194), (2, 10519597), (11, 1912654), (19, 1107326), (22, 956327), (38, 553663), (209, 100666), (418, 50333)]