21114900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:858

約数の個数: 108

約数和(自身を含む): 68550300

約数和(自身を除く): 47435400

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, 145, 150, 174, 180, 225, 261, 290, 300, 348, 435, 450, 522, 580, 725, 809, 870, 900, 1044, 1305, 1450, 1618, 1740, 2175, 2427, 2610, 2900, 3236, 4045, 4350, 4854, 5220, 6525, 7281, 8090, 8700, 9708, 12135, 13050, 14562, 16180, 20225, 23461, 24270, 26100, 29124, 36405, 40450, 46922, 48540, 60675, 70383, 72810, 80900, 93844, 117305, 121350, 140766, 145620, 182025, 211149, 234610, 242700, 281532, 351915, 364050, 422298, 469220, 586525, 703830, 728100, 844596, 1055745, 1173050, 1407660, 1759575, 2111490, 2346100, 3519150, 4222980, 5278725, 7038300, 10557450, 21114900]

約数ペア:

[(1, 21114900), (2, 10557450), (3, 7038300), (4, 5278725), (5, 4222980), (6, 3519150), (9, 2346100), (10, 2111490), (12, 1759575), (15, 1407660), (18, 1173050), (20, 1055745), (25, 844596), (29, 728100), (30, 703830), (36, 586525), (45, 469220), (50, 422298), (58, 364050), (60, 351915), (75, 281532), (87, 242700), (90, 234610), (100, 211149), (116, 182025), (145, 145620), (150, 140766), (174, 121350), (180, 117305), (225, 93844), (261, 80900), (290, 72810), (300, 70383), (348, 60675), (435, 48540), (450, 46922), (522, 40450), (580, 36405), (725, 29124), (809, 26100), (870, 24270), (900, 23461), (1044, 20225), (1305, 16180), (1450, 14562), (1618, 13050), (1740, 12135), (2175, 9708), (2427, 8700), (2610, 8090), (2900, 7281), (3236, 6525), (4045, 5220), (4350, 4854)]