21877635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{743}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 37997568

約数和(自身を除く): 16119933

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 195, 453, 743, 755, 1963, 2229, 2265, 3715, 5889, 9659, 9815, 11145, 28977, 29445, 48295, 112193, 144885, 336579, 560965, 1458509, 1682895, 4375527, 7292545, 21877635]

約数ペア:

[(1, 21877635), (3, 7292545), (5, 4375527), (13, 1682895), (15, 1458509), (39, 560965), (65, 336579), (151, 144885), (195, 112193), (453, 48295), (743, 29445), (755, 28977), (1963, 11145), (2229, 9815), (2265, 9659), (3715, 5889)]