21958414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9473}}^1$

素因数の和:9555

約数の個数: 16

約数和(自身を含む): 35243280

約数和(自身を除く): 13284866

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9473, 18946, 179987, 359974, 577853, 1155706, 10979207, 21958414]

約数ペア:

[(1, 21958414), (2, 10979207), (19, 1155706), (38, 577853), (61, 359974), (122, 179987), (1159, 18946), (2318, 9473)]