21859470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26987}}^1$

素因数の和:27006

約数の個数: 40

約数和(自身を含む): 58779864

約数和(自身を除く): 36920394

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26987, 53974, 80961, 134935, 161922, 242883, 269870, 404805, 485766, 728649, 809610, 1214415, 1457298, 2185947, 2428830, 3643245, 4371894, 7286490, 10929735, 21859470]

約数ペア:

[(1, 21859470), (2, 10929735), (3, 7286490), (5, 4371894), (6, 3643245), (9, 2428830), (10, 2185947), (15, 1457298), (18, 1214415), (27, 809610), (30, 728649), (45, 485766), (54, 404805), (81, 269870), (90, 242883), (135, 161922), (162, 134935), (270, 80961), (405, 53974), (810, 26987)]