21622695

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 14043225

約数列:

[1, 3, 5, 15, 71, 79, 213, 237, 257, 355, 395, 771, 1065, 1185, 1285, 3855, 5609, 16827, 18247, 20303, 28045, 54741, 60909, 84135, 91235, 101515, 273705, 304545, 1441513, 4324539, 7207565, 21622695]

約数ペア:

[(1, 21622695), (3, 7207565), (5, 4324539), (15, 1441513), (71, 304545), (79, 273705), (213, 101515), (237, 91235), (257, 84135), (355, 60909), (395, 54741), (771, 28045), (1065, 20303), (1185, 18247), (1285, 16827), (3855, 5609)]