21010595710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1151}}^1\times {\mathrm{140417}}^1$

素因数の和:141588

約数の個数: 32

約数和(自身を含む): 40763907072

約数和(自身を除く): 19753311362

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1151, 2302, 5755, 11510, 14963, 29926, 74815, 140417, 149630, 280834, 702085, 1404170, 1825421, 3650842, 9127105, 18254210, 161619967, 323239934, 808099835, 1616199670, 2101059571, 4202119142, 10505297855, 21010595710]

約数ペア:

[(1, 21010595710), (2, 10505297855), (5, 4202119142), (10, 2101059571), (13, 1616199670), (26, 808099835), (65, 323239934), (130, 161619967), (1151, 18254210), (2302, 9127105), (5755, 3650842), (11510, 1825421), (14963, 1404170), (29926, 702085), (74815, 280834), (140417, 149630)]