21930416

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{9199}}^1$

素因数の和:9356

約数の個数: 20

約数和(自身を含む): 42780000

約数和(自身を除く): 20849584

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 9199, 18398, 36796, 73592, 147184, 1370651, 2741302, 5482604, 10965208, 21930416]

約数ペア:

[(1, 21930416), (2, 10965208), (4, 5482604), (8, 2741302), (16, 1370651), (149, 147184), (298, 73592), (596, 36796), (1192, 18398), (2384, 9199)]