21004864

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{6983}}^1$

素因数の和:7042

約数の個数: 28

約数和(自身を含む): 42574464

約数和(自身を除く): 21569600

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 188, 376, 752, 1504, 3008, 6983, 13966, 27932, 55864, 111728, 223456, 328201, 446912, 656402, 1312804, 2625608, 5251216, 10502432, 21004864]

約数ペア:

[(1, 21004864), (2, 10502432), (4, 5251216), (8, 2625608), (16, 1312804), (32, 656402), (47, 446912), (64, 328201), (94, 223456), (188, 111728), (376, 55864), (752, 27932), (1504, 13966), (3008, 6983)]