21459430

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{32029}}^1$

素因数の和:32103

約数の個数: 16

約数和(自身を含む): 39204720

約数和(自身を除く): 17745290

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 32029, 64058, 160145, 320290, 2145943, 4291886, 10729715, 21459430]

約数ペア:

[(1, 21459430), (2, 10729715), (5, 4291886), (10, 2145943), (67, 320290), (134, 160145), (335, 64058), (670, 32029)]