21923920

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1531}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 51291360

約数和(自身を除く): 29367440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1531, 1790, 2864, 3062, 3580, 6124, 7160, 7655, 12248, 14320, 15310, 24496, 30620, 61240, 122480, 274049, 548098, 1096196, 1370245, 2192392, 2740490, 4384784, 5480980, 10961960, 21923920]

約数ペア:

[(1, 21923920), (2, 10961960), (4, 5480980), (5, 4384784), (8, 2740490), (10, 2192392), (16, 1370245), (20, 1096196), (40, 548098), (80, 274049), (179, 122480), (358, 61240), (716, 30620), (895, 24496), (1432, 15310), (1531, 14320), (1790, 12248), (2864, 7655), (3062, 7160), (3580, 6124)]