21757500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{967}}^1$

素因数の和:997

約数の個数: 90

約数和(自身を含む): 68796728

約数和(自身を除く): 47039228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 967, 1125, 1250, 1500, 1875, 1934, 2250, 2500, 2901, 3750, 3868, 4500, 4835, 5625, 5802, 7500, 8703, 9670, 11250, 11604, 14505, 17406, 19340, 22500, 24175, 29010, 34812, 43515, 48350, 58020, 72525, 87030, 96700, 120875, 145050, 174060, 217575, 241750, 290100, 362625, 435150, 483500, 604375, 725250, 870300, 1087875, 1208750, 1450500, 1813125, 2175750, 2417500, 3626250, 4351500, 5439375, 7252500, 10878750, 21757500]

約数ペア:

[(1, 21757500), (2, 10878750), (3, 7252500), (4, 5439375), (5, 4351500), (6, 3626250), (9, 2417500), (10, 2175750), (12, 1813125), (15, 1450500), (18, 1208750), (20, 1087875), (25, 870300), (30, 725250), (36, 604375), (45, 483500), (50, 435150), (60, 362625), (75, 290100), (90, 241750), (100, 217575), (125, 174060), (150, 145050), (180, 120875), (225, 96700), (250, 87030), (300, 72525), (375, 58020), (450, 48350), (500, 43515), (625, 34812), (750, 29010), (900, 24175), (967, 22500), (1125, 19340), (1250, 17406), (1500, 14505), (1875, 11604), (1934, 11250), (2250, 9670), (2500, 8703), (2901, 7500), (3750, 5802), (3868, 5625), (4500, 4835)]