21132372

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 29670828

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 149, 159, 212, 223, 298, 318, 446, 447, 596, 636, 669, 892, 894, 1338, 1788, 2676, 7897, 11819, 15794, 23638, 23691, 31588, 33227, 35457, 47276, 47382, 66454, 70914, 94764, 99681, 132908, 141828, 199362, 398724, 1761031, 3522062, 5283093, 7044124, 10566186, 21132372]

約数ペア:

[(1, 21132372), (2, 10566186), (3, 7044124), (4, 5283093), (6, 3522062), (12, 1761031), (53, 398724), (106, 199362), (149, 141828), (159, 132908), (212, 99681), (223, 94764), (298, 70914), (318, 66454), (446, 47382), (447, 47276), (596, 35457), (636, 33227), (669, 31588), (892, 23691), (894, 23638), (1338, 15794), (1788, 11819), (2676, 7897)]