21301084

素因数分解:

$2^2\times 7^2\times {\mathrm{191}}^1\times {\mathrm{569}}^1$

素因数の和:778

約数の個数: 36

約数和(自身を含む): 43666560

約数和(自身を除く): 22365476

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 191, 196, 382, 569, 764, 1138, 1337, 2276, 2674, 3983, 5348, 7966, 9359, 15932, 18718, 27881, 37436, 55762, 108679, 111524, 217358, 434716, 760753, 1521506, 3043012, 5325271, 10650542, 21301084]

約数ペア:

[(1, 21301084), (2, 10650542), (4, 5325271), (7, 3043012), (14, 1521506), (28, 760753), (49, 434716), (98, 217358), (191, 111524), (196, 108679), (382, 55762), (569, 37436), (764, 27881), (1138, 18718), (1337, 15932), (2276, 9359), (2674, 7966), (3983, 5348)]