21238430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{863}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 40310784

約数和(自身を除く): 19072354

約数列:

[1, 2, 5, 10, 23, 46, 107, 115, 214, 230, 535, 863, 1070, 1726, 2461, 4315, 4922, 8630, 12305, 19849, 24610, 39698, 92341, 99245, 184682, 198490, 461705, 923410, 2123843, 4247686, 10619215, 21238430]

約数ペア:

[(1, 21238430), (2, 10619215), (5, 4247686), (10, 2123843), (23, 923410), (46, 461705), (107, 198490), (115, 184682), (214, 99245), (230, 92341), (535, 39698), (863, 24610), (1070, 19849), (1726, 12305), (2461, 8630), (4315, 4922)]