21796154

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9403}}^1$

素因数の和:9485

約数の個数: 16

約数和(自身を含む): 34982880

約数和(自身を除く): 13186726

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9403, 18806, 178657, 357314, 573583, 1147166, 10898077, 21796154]

約数ペア:

[(1, 21796154), (2, 10898077), (19, 1147166), (38, 573583), (61, 357314), (122, 178657), (1159, 18806), (2318, 9403)]