21487015802

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2912309}}^1$

素因数の和:2912366

約数の個数: 32

約数和(自身を含む): 40259773440

約数和(自身を除く): 18772757638

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 3689, 7378, 2912309, 5824618, 20386163, 40772326, 49509253, 90281579, 99018506, 180563158, 346564771, 631971053, 693129542, 1263942106, 1534786843, 3069573686, 10743507901, 21487015802]

約数ペア:

[(1, 21487015802), (2, 10743507901), (7, 3069573686), (14, 1534786843), (17, 1263942106), (31, 693129542), (34, 631971053), (62, 346564771), (119, 180563158), (217, 99018506), (238, 90281579), (434, 49509253), (527, 40772326), (1054, 20386163), (3689, 5824618), (7378, 2912309)]