21766340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35107}}^1$

素因数の和:35147

約数の個数: 24

約数和(自身を含む): 47185152

約数和(自身を除く): 25418812

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 35107, 70214, 140428, 175535, 351070, 702140, 1088317, 2176634, 4353268, 5441585, 10883170, 21766340]

約数ペア:

[(1, 21766340), (2, 10883170), (4, 5441585), (5, 4353268), (10, 2176634), (20, 1088317), (31, 702140), (62, 351070), (124, 175535), (155, 140428), (310, 70214), (620, 35107)]