21467556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2357}}^1$

素因数の和:2401

約数の個数: 72

約数和(自身を含む): 61798464

約数和(自身を除く): 40330908

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, 2357, 3036, 4554, 4714, 7071, 9108, 9428, 14142, 21213, 25927, 28284, 42426, 51854, 54211, 77781, 84852, 103708, 108422, 155562, 162633, 216844, 233343, 311124, 325266, 466686, 487899, 596321, 650532, 933372, 975798, 1192642, 1788963, 1951596, 2385284, 3577926, 5366889, 7155852, 10733778, 21467556]

約数ペア:

[(1, 21467556), (2, 10733778), (3, 7155852), (4, 5366889), (6, 3577926), (9, 2385284), (11, 1951596), (12, 1788963), (18, 1192642), (22, 975798), (23, 933372), (33, 650532), (36, 596321), (44, 487899), (46, 466686), (66, 325266), (69, 311124), (92, 233343), (99, 216844), (132, 162633), (138, 155562), (198, 108422), (207, 103708), (253, 84852), (276, 77781), (396, 54211), (414, 51854), (506, 42426), (759, 28284), (828, 25927), (1012, 21213), (1518, 14142), (2277, 9428), (2357, 9108), (3036, 7071), (4554, 4714)]