21865694

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9433}}^1$

素因数の和:9515

約数の個数: 16

約数和(自身を含む): 35094480

約数和(自身を除く): 13228786

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9433, 18866, 179227, 358454, 575413, 1150826, 10932847, 21865694]

約数ペア:

[(1, 21865694), (2, 10932847), (19, 1150826), (38, 575413), (61, 358454), (122, 179227), (1159, 18866), (2318, 9433)]