21030372

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2309}}^1$

素因数の和:2353

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 39510108

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2277, 2309, 3036, 4554, 4618, 6927, 9108, 9236, 13854, 20781, 25399, 27708, 41562, 50798, 53107, 76197, 83124, 101596, 106214, 152394, 159321, 212428, 228591, 304788, 318642, 457182, 477963, 584177, 637284, 914364, 955926, 1168354, 1752531, 1911852, 2336708, 3505062, 5257593, 7010124, 10515186, 21030372]

約数ペア:

[(1, 21030372), (2, 10515186), (3, 7010124), (4, 5257593), (6, 3505062), (9, 2336708), (11, 1911852), (12, 1752531), (18, 1168354), (22, 955926), (23, 914364), (33, 637284), (36, 584177), (44, 477963), (46, 457182), (66, 318642), (69, 304788), (92, 228591), (99, 212428), (132, 159321), (138, 152394), (198, 106214), (207, 101596), (253, 83124), (276, 76197), (396, 53107), (414, 50798), (506, 41562), (759, 27708), (828, 25399), (1012, 20781), (1518, 13854), (2277, 9236), (2309, 9108), (3036, 6927), (4554, 4618)]