21561036240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89837651}}^1$

素因数の和:89837667

約数の個数: 40

約数和(自身を含む): 66839213088

約数和(自身を除く): 45278176848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89837651, 179675302, 269512953, 359350604, 449188255, 539025906, 718701208, 898376510, 1078051812, 1347564765, 1437402416, 1796753020, 2156103624, 2695129530, 3593506040, 4312207248, 5390259060, 7187012080, 10780518120, 21561036240]

約数ペア:

[(1, 21561036240), (2, 10780518120), (3, 7187012080), (4, 5390259060), (5, 4312207248), (6, 3593506040), (8, 2695129530), (10, 2156103624), (12, 1796753020), (15, 1437402416), (16, 1347564765), (20, 1078051812), (24, 898376510), (30, 718701208), (40, 539025906), (48, 449188255), (60, 359350604), (80, 269512953), (120, 179675302), (240, 89837651)]