21289265964

素因数分解:

$2^2\times 3^5\times {\mathrm{199}}^1\times {\mathrm{110063}}^1$

素因数の和:110281

約数の個数: 72

約数和(自身を含む): 56088614400

約数和(自身を除く): 34799348436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 199, 243, 324, 398, 486, 597, 796, 972, 1194, 1791, 2388, 3582, 5373, 7164, 10746, 16119, 21492, 32238, 48357, 64476, 96714, 110063, 193428, 220126, 330189, 440252, 660378, 990567, 1320756, 1981134, 2971701, 3962268, 5943402, 8915103, 11886804, 17830206, 21902537, 26745309, 35660412, 43805074, 53490618, 65707611, 87610148, 106981236, 131415222, 197122833, 262830444, 394245666, 591368499, 788491332, 1182736998, 1774105497, 2365473996, 3548210994, 5322316491, 7096421988, 10644632982, 21289265964]

約数ペア:

[(1, 21289265964), (2, 10644632982), (3, 7096421988), (4, 5322316491), (6, 3548210994), (9, 2365473996), (12, 1774105497), (18, 1182736998), (27, 788491332), (36, 591368499), (54, 394245666), (81, 262830444), (108, 197122833), (162, 131415222), (199, 106981236), (243, 87610148), (324, 65707611), (398, 53490618), (486, 43805074), (597, 35660412), (796, 26745309), (972, 21902537), (1194, 17830206), (1791, 11886804), (2388, 8915103), (3582, 5943402), (5373, 3962268), (7164, 2971701), (10746, 1981134), (16119, 1320756), (21492, 990567), (32238, 660378), (48357, 440252), (64476, 330189), (96714, 220126), (110063, 193428)]