21514155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3559}}^1$

素因数の和:3611

約数の個数: 32

約数和(自身を含む): 38277120

約数和(自身を除く): 16762965

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3559, 6045, 10677, 17795, 46267, 53385, 110329, 138801, 231335, 330987, 551645, 694005, 1434277, 1654935, 4302831, 7171385, 21514155]

約数ペア:

[(1, 21514155), (3, 7171385), (5, 4302831), (13, 1654935), (15, 1434277), (31, 694005), (39, 551645), (65, 330987), (93, 231335), (155, 138801), (195, 110329), (403, 53385), (465, 46267), (1209, 17795), (2015, 10677), (3559, 6045)]