21711768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 60477840

約数和(自身を除く): 38766072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 101, 104, 106, 156, 159, 169, 202, 212, 303, 312, 318, 338, 404, 424, 507, 606, 636, 676, 689, 808, 1014, 1212, 1272, 1313, 1352, 1378, 2028, 2067, 2424, 2626, 2756, 3939, 4056, 4134, 5252, 5353, 5512, 7878, 8268, 8957, 10504, 10706, 15756, 16059, 16536, 17069, 17914, 21412, 26871, 31512, 32118, 34138, 35828, 42824, 51207, 53742, 64236, 68276, 69589, 71656, 102414, 107484, 128472, 136552, 139178, 204828, 208767, 214968, 278356, 409656, 417534, 556712, 835068, 904657, 1670136, 1809314, 2713971, 3618628, 5427942, 7237256, 10855884, 21711768]

約数ペア:

[(1, 21711768), (2, 10855884), (3, 7237256), (4, 5427942), (6, 3618628), (8, 2713971), (12, 1809314), (13, 1670136), (24, 904657), (26, 835068), (39, 556712), (52, 417534), (53, 409656), (78, 278356), (101, 214968), (104, 208767), (106, 204828), (156, 139178), (159, 136552), (169, 128472), (202, 107484), (212, 102414), (303, 71656), (312, 69589), (318, 68276), (338, 64236), (404, 53742), (424, 51207), (507, 42824), (606, 35828), (636, 34138), (676, 32118), (689, 31512), (808, 26871), (1014, 21412), (1212, 17914), (1272, 17069), (1313, 16536), (1352, 16059), (1378, 15756), (2028, 10706), (2067, 10504), (2424, 8957), (2626, 8268), (2756, 7878), (3939, 5512), (4056, 5353), (4134, 5252)]