2021618565

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{21221}}^1$

素因数の和:21334

約数の個数: 48

約数和(自身を含む): 3674801520

約数和(自身を除く): 1653182955

約数列:

[1, 3, 5, 9, 15, 29, 45, 73, 87, 145, 219, 261, 365, 435, 657, 1095, 1305, 2117, 3285, 6351, 10585, 19053, 21221, 31755, 63663, 95265, 106105, 190989, 318315, 615409, 954945, 1549133, 1846227, 3077045, 4647399, 5538681, 7745665, 9231135, 13942197, 23236995, 27693405, 44924857, 69710985, 134774571, 224624285, 404323713, 673872855, 2021618565]

約数ペア:

[(1, 2021618565), (3, 673872855), (5, 404323713), (9, 224624285), (15, 134774571), (29, 69710985), (45, 44924857), (73, 27693405), (87, 23236995), (145, 13942197), (219, 9231135), (261, 7745665), (365, 5538681), (435, 4647399), (657, 3077045), (1095, 1846227), (1305, 1549133), (2117, 954945), (3285, 615409), (6351, 318315), (10585, 190989), (19053, 106105), (21221, 95265), (31755, 63663)]