21051630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77969}}^1$

素因数の和:77985

約数の個数: 32

約数和(自身を含む): 56138400

約数和(自身を除く): 35086770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77969, 155938, 233907, 389845, 467814, 701721, 779690, 1169535, 1403442, 2105163, 2339070, 3508605, 4210326, 7017210, 10525815, 21051630]

約数ペア:

[(1, 21051630), (2, 10525815), (3, 7017210), (5, 4210326), (6, 3508605), (9, 2339070), (10, 2105163), (15, 1403442), (18, 1169535), (27, 779690), (30, 701721), (45, 467814), (54, 389845), (90, 233907), (135, 155938), (270, 77969)]