21793500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 71547840

約数和(自身を除く): 49754340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 125, 145, 150, 167, 174, 180, 225, 250, 261, 290, 300, 334, 348, 375, 435, 450, 500, 501, 522, 580, 668, 725, 750, 835, 870, 900, 1002, 1044, 1125, 1305, 1450, 1500, 1503, 1670, 1740, 2004, 2175, 2250, 2505, 2610, 2900, 3006, 3340, 3625, 4175, 4350, 4500, 4843, 5010, 5220, 6012, 6525, 7250, 7515, 8350, 8700, 9686, 10020, 10875, 12525, 13050, 14500, 14529, 15030, 16700, 19372, 20875, 21750, 24215, 25050, 26100, 29058, 30060, 32625, 37575, 41750, 43500, 43587, 48430, 50100, 58116, 62625, 65250, 72645, 75150, 83500, 87174, 96860, 121075, 125250, 130500, 145290, 150300, 174348, 187875, 217935, 242150, 250500, 290580, 363225, 375750, 435870, 484300, 605375, 726450, 751500, 871740, 1089675, 1210750, 1452900, 1816125, 2179350, 2421500, 3632250, 4358700, 5448375, 7264500, 10896750, 21793500]

約数ペア:

[(1, 21793500), (2, 10896750), (3, 7264500), (4, 5448375), (5, 4358700), (6, 3632250), (9, 2421500), (10, 2179350), (12, 1816125), (15, 1452900), (18, 1210750), (20, 1089675), (25, 871740), (29, 751500), (30, 726450), (36, 605375), (45, 484300), (50, 435870), (58, 375750), (60, 363225), (75, 290580), (87, 250500), (90, 242150), (100, 217935), (116, 187875), (125, 174348), (145, 150300), (150, 145290), (167, 130500), (174, 125250), (180, 121075), (225, 96860), (250, 87174), (261, 83500), (290, 75150), (300, 72645), (334, 65250), (348, 62625), (375, 58116), (435, 50100), (450, 48430), (500, 43587), (501, 43500), (522, 41750), (580, 37575), (668, 32625), (725, 30060), (750, 29058), (835, 26100), (870, 25050), (900, 24215), (1002, 21750), (1044, 20875), (1125, 19372), (1305, 16700), (1450, 15030), (1500, 14529), (1503, 14500), (1670, 13050), (1740, 12525), (2004, 10875), (2175, 10020), (2250, 9686), (2505, 8700), (2610, 8350), (2900, 7515), (3006, 7250), (3340, 6525), (3625, 6012), (4175, 5220), (4350, 5010), (4500, 4843)]