21802890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4813}}^1$

素因数の和:4974

約数の個数: 32

約数和(自身を含む): 52684416

約数和(自身を除く): 30881526

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4530, 4813, 9626, 14439, 24065, 28878, 48130, 72195, 144390, 726763, 1453526, 2180289, 3633815, 4360578, 7267630, 10901445, 21802890]

約数ペア:

[(1, 21802890), (2, 10901445), (3, 7267630), (5, 4360578), (6, 3633815), (10, 2180289), (15, 1453526), (30, 726763), (151, 144390), (302, 72195), (453, 48130), (755, 28878), (906, 24065), (1510, 14439), (2265, 9626), (4530, 4813)]