21653517695

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{8171}}^1\times {\mathrm{31177}}^1$

素因数の和:39370

約数の個数: 16

約数和(自身を含む): 27516954528

約数和(自身を除く): 5863436833

約数列:

[1, 5, 17, 85, 8171, 31177, 40855, 138907, 155885, 530009, 694535, 2650045, 254747267, 1273736335, 4330703539, 21653517695]

約数ペア:

[(1, 21653517695), (5, 4330703539), (17, 1273736335), (85, 254747267), (8171, 2650045), (31177, 694535), (40855, 530009), (138907, 155885)]