21733790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5393}}^1$

素因数の和:5444

約数の個数: 32

約数和(自身を含む): 43497216

約数和(自身を除く): 21763426

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 5393, 10786, 26965, 53930, 70109, 140218, 167183, 334366, 350545, 701090, 835915, 1671830, 2173379, 4346758, 10866895, 21733790]

約数ペア:

[(1, 21733790), (2, 10866895), (5, 4346758), (10, 2173379), (13, 1671830), (26, 835915), (31, 701090), (62, 350545), (65, 334366), (130, 167183), (155, 140218), (310, 70109), (403, 53930), (806, 26965), (2015, 10786), (4030, 5393)]