21635305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 29082240

約数和(自身を除く): 7446935

約数列:

[1, 5, 17, 29, 67, 85, 131, 145, 335, 493, 655, 1139, 1943, 2227, 2465, 3799, 5695, 8777, 9715, 11135, 18995, 33031, 43885, 64583, 149209, 165155, 254533, 322915, 746045, 1272665, 4327061, 21635305]

約数ペア:

[(1, 21635305), (5, 4327061), (17, 1272665), (29, 746045), (67, 322915), (85, 254533), (131, 165155), (145, 149209), (335, 64583), (493, 43885), (655, 33031), (1139, 18995), (1943, 11135), (2227, 9715), (2465, 8777), (3799, 5695)]