21645630

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26723}}^1$

素因数の和:26742

約数の個数: 40

約数和(自身を含む): 58204872

約数和(自身を除く): 36559242

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26723, 53446, 80169, 133615, 160338, 240507, 267230, 400845, 481014, 721521, 801690, 1202535, 1443042, 2164563, 2405070, 3607605, 4329126, 7215210, 10822815, 21645630]

約数ペア:

[(1, 21645630), (2, 10822815), (3, 7215210), (5, 4329126), (6, 3607605), (9, 2405070), (10, 2164563), (15, 1443042), (18, 1202535), (27, 801690), (30, 721521), (45, 481014), (54, 400845), (81, 267230), (90, 240507), (135, 160338), (162, 133615), (270, 80169), (405, 53446), (810, 26723)]