21951945

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1439}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 17446455

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1439, 1695, 3051, 4317, 5085, 7195, 12951, 15255, 21585, 38853, 64755, 162607, 194265, 487821, 813035, 1463463, 2439105, 4390389, 7317315, 21951945]

約数ペア:

[(1, 21951945), (3, 7317315), (5, 4390389), (9, 2439105), (15, 1463463), (27, 813035), (45, 487821), (113, 194265), (135, 162607), (339, 64755), (565, 38853), (1017, 21585), (1439, 15255), (1695, 12951), (3051, 7195), (4317, 5085)]