21814000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:875

約数の個数: 80

約数和(自身を含む): 56871360

約数和(自身を除く): 35057360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 839, 1000, 1040, 1300, 1625, 1678, 2000, 2600, 3250, 3356, 4195, 5200, 6500, 6712, 8390, 10907, 13000, 13424, 16780, 20975, 21814, 26000, 33560, 41950, 43628, 54535, 67120, 83900, 87256, 104875, 109070, 167800, 174512, 209750, 218140, 272675, 335600, 419500, 436280, 545350, 839000, 872560, 1090700, 1363375, 1678000, 2181400, 2726750, 4362800, 5453500, 10907000, 21814000]

約数ペア:

[(1, 21814000), (2, 10907000), (4, 5453500), (5, 4362800), (8, 2726750), (10, 2181400), (13, 1678000), (16, 1363375), (20, 1090700), (25, 872560), (26, 839000), (40, 545350), (50, 436280), (52, 419500), (65, 335600), (80, 272675), (100, 218140), (104, 209750), (125, 174512), (130, 167800), (200, 109070), (208, 104875), (250, 87256), (260, 83900), (325, 67120), (400, 54535), (500, 43628), (520, 41950), (650, 33560), (839, 26000), (1000, 21814), (1040, 20975), (1300, 16780), (1625, 13424), (1678, 13000), (2000, 10907), (2600, 8390), (3250, 6712), (3356, 6500), (4195, 5200)]