21370410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{647}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 55800576

約数和(自身を除く): 34430166

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 367, 647, 734, 1101, 1294, 1835, 1941, 2202, 3235, 3303, 3670, 3882, 5505, 5823, 6470, 6606, 9705, 11010, 11646, 16515, 19410, 29115, 33030, 58230, 237449, 474898, 712347, 1187245, 1424694, 2137041, 2374490, 3561735, 4274082, 7123470, 10685205, 21370410]

約数ペア:

[(1, 21370410), (2, 10685205), (3, 7123470), (5, 4274082), (6, 3561735), (9, 2374490), (10, 2137041), (15, 1424694), (18, 1187245), (30, 712347), (45, 474898), (90, 237449), (367, 58230), (647, 33030), (734, 29115), (1101, 19410), (1294, 16515), (1835, 11646), (1941, 11010), (2202, 9705), (3235, 6606), (3303, 6470), (3670, 5823), (3882, 5505)]