21732760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{77617}}^1$

素因数の和:77635

約数の個数: 32

約数和(自身を含む): 55884960

約数和(自身を除く): 34152200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 77617, 155234, 310468, 388085, 543319, 620936, 776170, 1086638, 1552340, 2173276, 2716595, 3104680, 4346552, 5433190, 10866380, 21732760]

約数ペア:

[(1, 21732760), (2, 10866380), (4, 5433190), (5, 4346552), (7, 3104680), (8, 2716595), (10, 2173276), (14, 1552340), (20, 1086638), (28, 776170), (35, 620936), (40, 543319), (56, 388085), (70, 310468), (140, 155234), (280, 77617)]