21997062

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 29842938

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 89, 138, 178, 199, 207, 267, 398, 414, 534, 597, 621, 801, 1194, 1242, 1602, 1791, 2047, 2403, 3582, 4094, 4577, 4806, 5373, 6141, 9154, 10746, 12282, 13731, 17711, 18423, 27462, 35422, 36846, 41193, 53133, 55269, 82386, 106266, 110538, 123579, 159399, 247158, 318798, 407353, 478197, 814706, 956394, 1222059, 2444118, 3666177, 7332354, 10998531, 21997062]

約数ペア:

[(1, 21997062), (2, 10998531), (3, 7332354), (6, 3666177), (9, 2444118), (18, 1222059), (23, 956394), (27, 814706), (46, 478197), (54, 407353), (69, 318798), (89, 247158), (138, 159399), (178, 123579), (199, 110538), (207, 106266), (267, 82386), (398, 55269), (414, 53133), (534, 41193), (597, 36846), (621, 35422), (801, 27462), (1194, 18423), (1242, 17711), (1602, 13731), (1791, 12282), (2047, 10746), (2403, 9154), (3582, 6141), (4094, 5373), (4577, 4806)]