21114210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54139}}^1$

素因数の和:54162

約数の個数: 32

約数和(自身を含む): 54573120

約数和(自身を除く): 33458910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54139, 108278, 162417, 270695, 324834, 541390, 703807, 812085, 1407614, 1624170, 2111421, 3519035, 4222842, 7038070, 10557105, 21114210]

約数ペア:

[(1, 21114210), (2, 10557105), (3, 7038070), (5, 4222842), (6, 3519035), (10, 2111421), (13, 1624170), (15, 1407614), (26, 812085), (30, 703807), (39, 541390), (65, 324834), (78, 270695), (130, 162417), (195, 108278), (390, 54139)]