21101008

素因数分解:

$2^4\times {\mathrm{761}}^1\times {\mathrm{1733}}^1$

素因数の和:2502

約数の個数: 20

約数和(自身を含む): 40960548

約数和(自身を除く): 19859540

約数列:

[1, 2, 4, 8, 16, 761, 1522, 1733, 3044, 3466, 6088, 6932, 12176, 13864, 27728, 1318813, 2637626, 5275252, 10550504, 21101008]

約数ペア:

[(1, 21101008), (2, 10550504), (4, 5275252), (8, 2637626), (16, 1318813), (761, 27728), (1522, 13864), (1733, 12176), (3044, 6932), (3466, 6088)]