21285352

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{1999}}^1$

素因数の和:2038

約数の個数: 32

約数和(自身を含む): 43920000

約数和(自身を除く): 22634648

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 1331, 1999, 2662, 3998, 5324, 7996, 10648, 15992, 21989, 43978, 87956, 175912, 241879, 483758, 967516, 1935032, 2660669, 5321338, 10642676, 21285352]

約数ペア:

[(1, 21285352), (2, 10642676), (4, 5321338), (8, 2660669), (11, 1935032), (22, 967516), (44, 483758), (88, 241879), (121, 175912), (242, 87956), (484, 43978), (968, 21989), (1331, 15992), (1999, 10648), (2662, 7996), (3998, 5324)]