21007029250

素因数分解:

$2^1\times 5^3\times {\mathrm{67}}^1\times {\mathrm{1254151}}^1$

素因数の和:1254235

約数の個数: 32

約数和(自身を含む): 39912133248

約数和(自身を除く): 18905103998

約数列:

[1, 2, 5, 10, 25, 50, 67, 125, 134, 250, 335, 670, 1675, 3350, 8375, 16750, 1254151, 2508302, 6270755, 12541510, 31353775, 62707550, 84028117, 156768875, 168056234, 313537750, 420140585, 840281170, 2100702925, 4201405850, 10503514625, 21007029250]

約数ペア:

[(1, 21007029250), (2, 10503514625), (5, 4201405850), (10, 2100702925), (25, 840281170), (50, 420140585), (67, 313537750), (125, 168056234), (134, 156768875), (250, 84028117), (335, 62707550), (670, 31353775), (1675, 12541510), (3350, 6270755), (8375, 2508302), (16750, 1254151)]