21053252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{478483}}^1$

素因数の和:478498

約数の個数: 12

約数和(自身を含む): 40192656

約数和(自身を除く): 19139404

約数列:

[1, 2, 4, 11, 22, 44, 478483, 956966, 1913932, 5263313, 10526626, 21053252]

約数ペア:

[(1, 21053252), (2, 10526626), (4, 5263313), (11, 1913932), (22, 956966), (44, 478483)]