21119220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117329}}^1$

素因数の和:117344

約数の個数: 36

約数和(自身を含む): 64062180

約数和(自身を除く): 42942960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117329, 234658, 351987, 469316, 586645, 703974, 1055961, 1173290, 1407948, 1759935, 2111922, 2346580, 3519870, 4223844, 5279805, 7039740, 10559610, 21119220]

約数ペア:

[(1, 21119220), (2, 10559610), (3, 7039740), (4, 5279805), (5, 4223844), (6, 3519870), (9, 2346580), (10, 2111922), (12, 1759935), (15, 1407948), (18, 1173290), (20, 1055961), (30, 703974), (36, 586645), (45, 469316), (60, 351987), (90, 234658), (180, 117329)]