21633230

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 18283570

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 223, 445, 446, 545, 890, 1090, 1115, 2230, 9701, 19402, 19847, 24307, 39694, 48505, 48614, 97010, 99235, 121535, 198470, 243070, 2163323, 4326646, 10816615, 21633230]

約数ペア:

[(1, 21633230), (2, 10816615), (5, 4326646), (10, 2163323), (89, 243070), (109, 198470), (178, 121535), (218, 99235), (223, 97010), (445, 48614), (446, 48505), (545, 39694), (890, 24307), (1090, 19847), (1115, 19402), (2230, 9701)]