21103404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251231}}^1$

素因数の和:251245

約数の個数: 24

約数和(自身を含む): 56275968

約数和(自身を除く): 35172564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251231, 502462, 753693, 1004924, 1507386, 1758617, 3014772, 3517234, 5275851, 7034468, 10551702, 21103404]

約数ペア:

[(1, 21103404), (2, 10551702), (3, 7034468), (4, 5275851), (6, 3517234), (7, 3014772), (12, 1758617), (14, 1507386), (21, 1004924), (28, 753693), (42, 502462), (84, 251231)]