21943396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{691}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 40805856

約数和(自身を除く): 18862460

約数列:

[1, 2, 4, 17, 34, 68, 467, 691, 934, 1382, 1868, 2764, 7939, 11747, 15878, 23494, 31756, 46988, 322697, 645394, 1290788, 5485849, 10971698, 21943396]

約数ペア:

[(1, 21943396), (2, 10971698), (4, 5485849), (17, 1290788), (34, 645394), (68, 322697), (467, 46988), (691, 31756), (934, 23494), (1382, 15878), (1868, 11747), (2764, 7939)]