21628890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80107}}^1$

素因数の和:80123

約数の個数: 32

約数和(自身を含む): 57677760

約数和(自身を除く): 36048870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80107, 160214, 240321, 400535, 480642, 720963, 801070, 1201605, 1441926, 2162889, 2403210, 3604815, 4325778, 7209630, 10814445, 21628890]

約数ペア:

[(1, 21628890), (2, 10814445), (3, 7209630), (5, 4325778), (6, 3604815), (9, 2403210), (10, 2162889), (15, 1441926), (18, 1201605), (27, 801070), (30, 720963), (45, 480642), (54, 400535), (90, 240321), (135, 160214), (270, 80107)]