21579570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1471}}^1$

素因数の和:1647

約数の個数: 48

約数和(自身を含む): 56489472

約数和(自身を除く): 34909902

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 163, 326, 489, 815, 978, 1467, 1471, 1630, 2445, 2934, 2942, 4413, 4890, 7335, 7355, 8826, 13239, 14670, 14710, 22065, 26478, 44130, 66195, 132390, 239773, 479546, 719319, 1198865, 1438638, 2157957, 2397730, 3596595, 4315914, 7193190, 10789785, 21579570]

約数ペア:

[(1, 21579570), (2, 10789785), (3, 7193190), (5, 4315914), (6, 3596595), (9, 2397730), (10, 2157957), (15, 1438638), (18, 1198865), (30, 719319), (45, 479546), (90, 239773), (163, 132390), (326, 66195), (489, 44130), (815, 26478), (978, 22065), (1467, 14710), (1471, 14670), (1630, 13239), (2445, 8826), (2934, 7355), (2942, 7335), (4413, 4890)]