21724740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40231}}^1$

素因数の和:40249

約数の個数: 48

約数和(自身を含む): 67589760

約数和(自身を除く): 45865020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40231, 80462, 120693, 160924, 201155, 241386, 362079, 402310, 482772, 603465, 724158, 804620, 1086237, 1206930, 1448316, 1810395, 2172474, 2413860, 3620790, 4344948, 5431185, 7241580, 10862370, 21724740]

約数ペア:

[(1, 21724740), (2, 10862370), (3, 7241580), (4, 5431185), (5, 4344948), (6, 3620790), (9, 2413860), (10, 2172474), (12, 1810395), (15, 1448316), (18, 1206930), (20, 1086237), (27, 804620), (30, 724158), (36, 603465), (45, 482772), (54, 402310), (60, 362079), (90, 241386), (108, 201155), (135, 160924), (180, 120693), (270, 80462), (540, 40231)]