21452718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1153}}^1$

素因数の和:1608

約数の個数: 32

約数和(自身を含む): 49188096

約数和(自身を除く): 27735378

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443, 886, 1153, 1329, 2306, 2658, 3101, 3459, 6202, 6918, 8071, 9303, 16142, 18606, 24213, 48426, 510779, 1021558, 1532337, 3064674, 3575453, 7150906, 10726359, 21452718]

約数ペア:

[(1, 21452718), (2, 10726359), (3, 7150906), (6, 3575453), (7, 3064674), (14, 1532337), (21, 1021558), (42, 510779), (443, 48426), (886, 24213), (1153, 18606), (1329, 16142), (2306, 9303), (2658, 8071), (3101, 6918), (3459, 6202)]