21907500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 67178496

約数和(自身を除く): 45270996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 125, 127, 138, 150, 230, 250, 254, 276, 300, 345, 375, 381, 460, 500, 508, 575, 625, 635, 690, 750, 762, 1150, 1250, 1270, 1380, 1500, 1524, 1725, 1875, 1905, 2300, 2500, 2540, 2875, 2921, 3175, 3450, 3750, 3810, 5750, 5842, 6350, 6900, 7500, 7620, 8625, 8763, 9525, 11500, 11684, 12700, 14375, 14605, 15875, 17250, 17526, 19050, 28750, 29210, 31750, 34500, 35052, 38100, 43125, 43815, 47625, 57500, 58420, 63500, 73025, 79375, 86250, 87630, 95250, 146050, 158750, 172500, 175260, 190500, 219075, 238125, 292100, 317500, 365125, 438150, 476250, 730250, 876300, 952500, 1095375, 1460500, 1825625, 2190750, 3651250, 4381500, 5476875, 7302500, 10953750, 21907500]

約数ペア:

[(1, 21907500), (2, 10953750), (3, 7302500), (4, 5476875), (5, 4381500), (6, 3651250), (10, 2190750), (12, 1825625), (15, 1460500), (20, 1095375), (23, 952500), (25, 876300), (30, 730250), (46, 476250), (50, 438150), (60, 365125), (69, 317500), (75, 292100), (92, 238125), (100, 219075), (115, 190500), (125, 175260), (127, 172500), (138, 158750), (150, 146050), (230, 95250), (250, 87630), (254, 86250), (276, 79375), (300, 73025), (345, 63500), (375, 58420), (381, 57500), (460, 47625), (500, 43815), (508, 43125), (575, 38100), (625, 35052), (635, 34500), (690, 31750), (750, 29210), (762, 28750), (1150, 19050), (1250, 17526), (1270, 17250), (1380, 15875), (1500, 14605), (1524, 14375), (1725, 12700), (1875, 11684), (1905, 11500), (2300, 9525), (2500, 8763), (2540, 8625), (2875, 7620), (2921, 7500), (3175, 6900), (3450, 6350), (3750, 5842), (3810, 5750)]