21915696985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{718901}}^1$

素因数の和:718993

約数の個数: 32

約数和(自身を含む): 32850945792

約数和(自身を除く): 10935248807

約数列:

[1, 5, 7, 13, 35, 65, 67, 91, 335, 455, 469, 871, 2345, 4355, 6097, 30485, 718901, 3594505, 5032307, 9345713, 25161535, 46728565, 48166367, 65419991, 240831835, 327099955, 337164569, 626162771, 1685822845, 3130813855, 4383139397, 21915696985]

約数ペア:

[(1, 21915696985), (5, 4383139397), (7, 3130813855), (13, 1685822845), (35, 626162771), (65, 337164569), (67, 327099955), (91, 240831835), (335, 65419991), (455, 48166367), (469, 46728565), (871, 25161535), (2345, 9345713), (4355, 5032307), (6097, 3594505), (30485, 718901)]