21705606

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 54774720

約数和(自身を除く): 33069114

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 37, 39, 46, 69, 74, 78, 109, 111, 117, 138, 207, 218, 222, 234, 299, 327, 333, 414, 481, 598, 654, 666, 851, 897, 962, 981, 1417, 1443, 1702, 1794, 1962, 2507, 2553, 2691, 2834, 2886, 4033, 4251, 4329, 5014, 5106, 5382, 7521, 7659, 8066, 8502, 8658, 11063, 12099, 12753, 15042, 15318, 22126, 22563, 24198, 25506, 32591, 33189, 36297, 45126, 52429, 65182, 66378, 72594, 92759, 97773, 99567, 104858, 157287, 185518, 195546, 199134, 278277, 293319, 314574, 471861, 556554, 586638, 834831, 943722, 1205867, 1669662, 2411734, 3617601, 7235202, 10852803, 21705606]

約数ペア:

[(1, 21705606), (2, 10852803), (3, 7235202), (6, 3617601), (9, 2411734), (13, 1669662), (18, 1205867), (23, 943722), (26, 834831), (37, 586638), (39, 556554), (46, 471861), (69, 314574), (74, 293319), (78, 278277), (109, 199134), (111, 195546), (117, 185518), (138, 157287), (207, 104858), (218, 99567), (222, 97773), (234, 92759), (299, 72594), (327, 66378), (333, 65182), (414, 52429), (481, 45126), (598, 36297), (654, 33189), (666, 32591), (851, 25506), (897, 24198), (962, 22563), (981, 22126), (1417, 15318), (1443, 15042), (1702, 12753), (1794, 12099), (1962, 11063), (2507, 8658), (2553, 8502), (2691, 8066), (2834, 7659), (2886, 7521), (4033, 5382), (4251, 5106), (4329, 5014)]