21812010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:599

約数の個数: 64

約数和(自身を含む): 57608064

約数和(自身を除く): 35796054

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 157, 165, 314, 330, 421, 471, 785, 842, 942, 1263, 1570, 1727, 2105, 2355, 2526, 3454, 4210, 4631, 4710, 5181, 6315, 8635, 9262, 10362, 12630, 13893, 17270, 23155, 25905, 27786, 46310, 51810, 66097, 69465, 132194, 138930, 198291, 330485, 396582, 660970, 727067, 991455, 1454134, 1982910, 2181201, 3635335, 4362402, 7270670, 10906005, 21812010]

約数ペア:

[(1, 21812010), (2, 10906005), (3, 7270670), (5, 4362402), (6, 3635335), (10, 2181201), (11, 1982910), (15, 1454134), (22, 991455), (30, 727067), (33, 660970), (55, 396582), (66, 330485), (110, 198291), (157, 138930), (165, 132194), (314, 69465), (330, 66097), (421, 51810), (471, 46310), (785, 27786), (842, 25905), (942, 23155), (1263, 17270), (1570, 13893), (1727, 12630), (2105, 10362), (2355, 9262), (2526, 8635), (3454, 6315), (4210, 5181), (4631, 4710)]