21885500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 60750144

約数和(自身を除く): 38864644

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 37, 50, 52, 65, 70, 74, 91, 100, 125, 130, 140, 148, 169, 175, 182, 185, 250, 259, 260, 325, 338, 350, 364, 370, 455, 481, 500, 518, 650, 676, 700, 740, 845, 875, 910, 925, 962, 1036, 1183, 1295, 1300, 1625, 1690, 1750, 1820, 1850, 1924, 2275, 2366, 2405, 2590, 3250, 3367, 3380, 3500, 3700, 4225, 4550, 4625, 4732, 4810, 5180, 5915, 6253, 6475, 6500, 6734, 8450, 9100, 9250, 9620, 11375, 11830, 12025, 12506, 12950, 13468, 16835, 16900, 18500, 21125, 22750, 23660, 24050, 25012, 25900, 29575, 31265, 32375, 33670, 42250, 43771, 45500, 48100, 59150, 60125, 62530, 64750, 67340, 84175, 84500, 87542, 118300, 120250, 125060, 129500, 147875, 156325, 168350, 175084, 218855, 240500, 295750, 312650, 336700, 420875, 437710, 591500, 625300, 781625, 841750, 875420, 1094275, 1563250, 1683500, 2188550, 3126500, 4377100, 5471375, 10942750, 21885500]

約数ペア:

[(1, 21885500), (2, 10942750), (4, 5471375), (5, 4377100), (7, 3126500), (10, 2188550), (13, 1683500), (14, 1563250), (20, 1094275), (25, 875420), (26, 841750), (28, 781625), (35, 625300), (37, 591500), (50, 437710), (52, 420875), (65, 336700), (70, 312650), (74, 295750), (91, 240500), (100, 218855), (125, 175084), (130, 168350), (140, 156325), (148, 147875), (169, 129500), (175, 125060), (182, 120250), (185, 118300), (250, 87542), (259, 84500), (260, 84175), (325, 67340), (338, 64750), (350, 62530), (364, 60125), (370, 59150), (455, 48100), (481, 45500), (500, 43771), (518, 42250), (650, 33670), (676, 32375), (700, 31265), (740, 29575), (845, 25900), (875, 25012), (910, 24050), (925, 23660), (962, 22750), (1036, 21125), (1183, 18500), (1295, 16900), (1300, 16835), (1625, 13468), (1690, 12950), (1750, 12506), (1820, 12025), (1850, 11830), (1924, 11375), (2275, 9620), (2366, 9250), (2405, 9100), (2590, 8450), (3250, 6734), (3367, 6500), (3380, 6475), (3500, 6253), (3700, 5915), (4225, 5180), (4550, 4810), (4625, 4732)]