20211113385

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{21107}}^1$

素因数の和:21335

約数の個数: 64

約数和(自身を含む): 37021743360

約数和(自身を除く): 16810629975

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 173, 205, 369, 519, 615, 865, 1107, 1557, 1845, 2595, 4671, 5535, 7093, 7785, 21107, 21279, 23355, 35465, 63321, 63837, 105535, 106395, 189963, 191511, 316605, 319185, 569889, 865387, 949815, 957555, 2596161, 2849445, 3651511, 4326935, 7788483, 10954533, 12980805, 18257555, 23365449, 32863599, 38942415, 54772665, 98590797, 116827245, 149711951, 164317995, 449135853, 492953985, 748559755, 1347407559, 2245679265, 4042222677, 6737037795, 20211113385]

約数ペア:

[(1, 20211113385), (3, 6737037795), (5, 4042222677), (9, 2245679265), (15, 1347407559), (27, 748559755), (41, 492953985), (45, 449135853), (123, 164317995), (135, 149711951), (173, 116827245), (205, 98590797), (369, 54772665), (519, 38942415), (615, 32863599), (865, 23365449), (1107, 18257555), (1557, 12980805), (1845, 10954533), (2595, 7788483), (4671, 4326935), (5535, 3651511), (7093, 2849445), (7785, 2596161), (21107, 957555), (21279, 949815), (23355, 865387), (35465, 569889), (63321, 319185), (63837, 316605), (105535, 191511), (106395, 189963)]