21838500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 72229248

約数和(自身を除く): 50390748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 50, 60, 69, 75, 90, 92, 100, 115, 125, 138, 150, 180, 207, 211, 225, 230, 250, 276, 300, 345, 375, 414, 422, 450, 460, 500, 575, 633, 690, 750, 828, 844, 900, 1035, 1055, 1125, 1150, 1266, 1380, 1500, 1725, 1899, 2070, 2110, 2250, 2300, 2532, 2875, 3165, 3450, 3798, 4140, 4220, 4500, 4853, 5175, 5275, 5750, 6330, 6900, 7596, 8625, 9495, 9706, 10350, 10550, 11500, 12660, 14559, 15825, 17250, 18990, 19412, 20700, 21100, 24265, 25875, 26375, 29118, 31650, 34500, 37980, 43677, 47475, 48530, 51750, 52750, 58236, 63300, 72795, 79125, 87354, 94950, 97060, 103500, 105500, 121325, 145590, 158250, 174708, 189900, 218385, 237375, 242650, 291180, 316500, 363975, 436770, 474750, 485300, 606625, 727950, 873540, 949500, 1091925, 1213250, 1455900, 1819875, 2183850, 2426500, 3639750, 4367700, 5459625, 7279500, 10919250, 21838500]

約数ペア:

[(1, 21838500), (2, 10919250), (3, 7279500), (4, 5459625), (5, 4367700), (6, 3639750), (9, 2426500), (10, 2183850), (12, 1819875), (15, 1455900), (18, 1213250), (20, 1091925), (23, 949500), (25, 873540), (30, 727950), (36, 606625), (45, 485300), (46, 474750), (50, 436770), (60, 363975), (69, 316500), (75, 291180), (90, 242650), (92, 237375), (100, 218385), (115, 189900), (125, 174708), (138, 158250), (150, 145590), (180, 121325), (207, 105500), (211, 103500), (225, 97060), (230, 94950), (250, 87354), (276, 79125), (300, 72795), (345, 63300), (375, 58236), (414, 52750), (422, 51750), (450, 48530), (460, 47475), (500, 43677), (575, 37980), (633, 34500), (690, 31650), (750, 29118), (828, 26375), (844, 25875), (900, 24265), (1035, 21100), (1055, 20700), (1125, 19412), (1150, 18990), (1266, 17250), (1380, 15825), (1500, 14559), (1725, 12660), (1899, 11500), (2070, 10550), (2110, 10350), (2250, 9706), (2300, 9495), (2532, 8625), (2875, 7596), (3165, 6900), (3450, 6330), (3798, 5750), (4140, 5275), (4220, 5175), (4500, 4853)]