21905058

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{74507}}^1$

素因数の和:74526

約数の個数: 24

約数和(自身を含む): 50963472

約数和(自身を除く): 29058414

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 74507, 149014, 223521, 447042, 521549, 1043098, 1564647, 3129294, 3650843, 7301686, 10952529, 21905058]

約数ペア:

[(1, 21905058), (2, 10952529), (3, 7301686), (6, 3650843), (7, 3129294), (14, 1564647), (21, 1043098), (42, 521549), (49, 447042), (98, 223521), (147, 149014), (294, 74507)]