21491040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44773}}^1$

素因数の和:44791

約数の個数: 48

約数和(自身を含む): 67698288

約数和(自身を除く): 46207248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44773, 89546, 134319, 179092, 223865, 268638, 358184, 447730, 537276, 671595, 716368, 895460, 1074552, 1343190, 1432736, 1790920, 2149104, 2686380, 3581840, 4298208, 5372760, 7163680, 10745520, 21491040]

約数ペア:

[(1, 21491040), (2, 10745520), (3, 7163680), (4, 5372760), (5, 4298208), (6, 3581840), (8, 2686380), (10, 2149104), (12, 1790920), (15, 1432736), (16, 1343190), (20, 1074552), (24, 895460), (30, 716368), (32, 671595), (40, 537276), (48, 447730), (60, 358184), (80, 268638), (96, 223865), (120, 179092), (160, 134319), (240, 89546), (480, 44773)]