21809736

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:897

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 44234424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 863, 936, 972, 1053, 1404, 1726, 1944, 2106, 2589, 2808, 3159, 3452, 4212, 5178, 6318, 6904, 7767, 8424, 10356, 11219, 12636, 15534, 20712, 22438, 23301, 25272, 31068, 33657, 44876, 46602, 62136, 67314, 69903, 89752, 93204, 100971, 134628, 139806, 186408, 201942, 209709, 269256, 279612, 302913, 403884, 419418, 559224, 605826, 807768, 838836, 908739, 1211652, 1677672, 1817478, 2423304, 2726217, 3634956, 5452434, 7269912, 10904868, 21809736]

約数ペア:

[(1, 21809736), (2, 10904868), (3, 7269912), (4, 5452434), (6, 3634956), (8, 2726217), (9, 2423304), (12, 1817478), (13, 1677672), (18, 1211652), (24, 908739), (26, 838836), (27, 807768), (36, 605826), (39, 559224), (52, 419418), (54, 403884), (72, 302913), (78, 279612), (81, 269256), (104, 209709), (108, 201942), (117, 186408), (156, 139806), (162, 134628), (216, 100971), (234, 93204), (243, 89752), (312, 69903), (324, 67314), (351, 62136), (468, 46602), (486, 44876), (648, 33657), (702, 31068), (863, 25272), (936, 23301), (972, 22438), (1053, 20712), (1404, 15534), (1726, 12636), (1944, 11219), (2106, 10356), (2589, 8424), (2808, 7767), (3159, 6904), (3452, 6318), (4212, 5178)]