21102420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351707}}^1$

素因数の和:351719

約数の個数: 24

約数和(自身を含む): 59086944

約数和(自身を除く): 37984524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351707, 703414, 1055121, 1406828, 1758535, 2110242, 3517070, 4220484, 5275605, 7034140, 10551210, 21102420]

約数ペア:

[(1, 21102420), (2, 10551210), (3, 7034140), (4, 5275605), (5, 4220484), (6, 3517070), (10, 2110242), (12, 1758535), (15, 1406828), (20, 1055121), (30, 703414), (60, 351707)]