21309204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253681}}^1$

素因数の和:253695

約数の個数: 24

約数和(自身を含む): 56824768

約数和(自身を除く): 35515564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253681, 507362, 761043, 1014724, 1522086, 1775767, 3044172, 3551534, 5327301, 7103068, 10654602, 21309204]

約数ペア:

[(1, 21309204), (2, 10654602), (3, 7103068), (4, 5327301), (6, 3551534), (7, 3044172), (12, 1775767), (14, 1522086), (21, 1014724), (28, 761043), (42, 507362), (84, 253681)]