21655742

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6449}}^1$

素因数の和:6547

約数の個数: 16

約数和(自身を含む): 34365600

約数和(自身を除く): 12709858

約数列:

[1, 2, 23, 46, 73, 146, 1679, 3358, 6449, 12898, 148327, 296654, 470777, 941554, 10827871, 21655742]

約数ペア:

[(1, 21655742), (2, 10827871), (23, 941554), (46, 470777), (73, 296654), (146, 148327), (1679, 12898), (3358, 6449)]