21892750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 25281650

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 275, 418, 419, 475, 550, 838, 950, 1045, 1375, 2090, 2095, 2375, 2750, 4190, 4609, 4750, 5225, 7961, 9218, 10450, 10475, 15922, 20950, 23045, 26125, 39805, 46090, 52250, 52375, 79610, 87571, 104750, 115225, 175142, 199025, 230450, 398050, 437855, 576125, 875710, 995125, 1152250, 1990250, 2189275, 4378550, 10946375, 21892750]

約数ペア:

[(1, 21892750), (2, 10946375), (5, 4378550), (10, 2189275), (11, 1990250), (19, 1152250), (22, 995125), (25, 875710), (38, 576125), (50, 437855), (55, 398050), (95, 230450), (110, 199025), (125, 175142), (190, 115225), (209, 104750), (250, 87571), (275, 79610), (418, 52375), (419, 52250), (475, 46090), (550, 39805), (838, 26125), (950, 23045), (1045, 20950), (1375, 15922), (2090, 10475), (2095, 10450), (2375, 9218), (2750, 7961), (4190, 5225), (4609, 4750)]