21126104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{953}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 42243120

約数和(自身を除く): 21117016

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 953, 1304, 1906, 2771, 3812, 5542, 7624, 11084, 16201, 22168, 32402, 64804, 129608, 155339, 310678, 621356, 1242712, 2640763, 5281526, 10563052, 21126104]

約数ペア:

[(1, 21126104), (2, 10563052), (4, 5281526), (8, 2640763), (17, 1242712), (34, 621356), (68, 310678), (136, 155339), (163, 129608), (326, 64804), (652, 32402), (953, 22168), (1304, 16201), (1906, 11084), (2771, 7624), (3812, 5542)]