21367400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5623}}^1$

素因数の和:5658

約数の個数: 48

約数和(自身を含む): 52303200

約数和(自身を除く): 30935800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5623, 11246, 22492, 28115, 44984, 56230, 106837, 112460, 140575, 213674, 224920, 281150, 427348, 534185, 562300, 854696, 1068370, 1124600, 2136740, 2670925, 4273480, 5341850, 10683700, 21367400]

約数ペア:

[(1, 21367400), (2, 10683700), (4, 5341850), (5, 4273480), (8, 2670925), (10, 2136740), (19, 1124600), (20, 1068370), (25, 854696), (38, 562300), (40, 534185), (50, 427348), (76, 281150), (95, 224920), (100, 213674), (152, 140575), (190, 112460), (200, 106837), (380, 56230), (475, 44984), (760, 28115), (950, 22492), (1900, 11246), (3800, 5623)]