21210100

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1877}}^1$

素因数の和:2004

約数の個数: 36

約数和(自身を含む): 46457964

約数和(自身を除く): 25247864

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 1877, 2260, 2825, 3754, 5650, 7508, 9385, 11300, 18770, 37540, 46925, 93850, 187700, 212101, 424202, 848404, 1060505, 2121010, 4242020, 5302525, 10605050, 21210100]

約数ペア:

[(1, 21210100), (2, 10605050), (4, 5302525), (5, 4242020), (10, 2121010), (20, 1060505), (25, 848404), (50, 424202), (100, 212101), (113, 187700), (226, 93850), (452, 46925), (565, 37540), (1130, 18770), (1877, 11300), (2260, 9385), (2825, 7508), (3754, 5650)]