21671624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1091}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 22357816

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191, 382, 764, 1091, 1528, 2182, 2483, 4364, 4966, 8728, 9932, 14183, 19864, 28366, 56732, 113464, 208381, 416762, 833524, 1667048, 2708953, 5417906, 10835812, 21671624]

約数ペア:

[(1, 21671624), (2, 10835812), (4, 5417906), (8, 2708953), (13, 1667048), (26, 833524), (52, 416762), (104, 208381), (191, 113464), (382, 56732), (764, 28366), (1091, 19864), (1528, 14183), (2182, 9932), (2483, 8728), (4364, 4966)]