21104400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:473

約数の個数: 120

約数和(自身を含む): 69345760

約数和(自身を除く): 48241360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 43, 48, 50, 60, 75, 80, 86, 100, 120, 129, 150, 172, 200, 215, 240, 258, 300, 344, 400, 409, 430, 516, 600, 645, 688, 818, 860, 1032, 1075, 1200, 1227, 1290, 1636, 1720, 2045, 2064, 2150, 2454, 2580, 3225, 3272, 3440, 4090, 4300, 4908, 5160, 6135, 6450, 6544, 8180, 8600, 9816, 10225, 10320, 12270, 12900, 16360, 17200, 17587, 19632, 20450, 24540, 25800, 30675, 32720, 35174, 40900, 49080, 51600, 52761, 61350, 70348, 81800, 87935, 98160, 105522, 122700, 140696, 163600, 175870, 211044, 245400, 263805, 281392, 351740, 422088, 439675, 490800, 527610, 703480, 844176, 879350, 1055220, 1319025, 1406960, 1758700, 2110440, 2638050, 3517400, 4220880, 5276100, 7034800, 10552200, 21104400]

約数ペア:

[(1, 21104400), (2, 10552200), (3, 7034800), (4, 5276100), (5, 4220880), (6, 3517400), (8, 2638050), (10, 2110440), (12, 1758700), (15, 1406960), (16, 1319025), (20, 1055220), (24, 879350), (25, 844176), (30, 703480), (40, 527610), (43, 490800), (48, 439675), (50, 422088), (60, 351740), (75, 281392), (80, 263805), (86, 245400), (100, 211044), (120, 175870), (129, 163600), (150, 140696), (172, 122700), (200, 105522), (215, 98160), (240, 87935), (258, 81800), (300, 70348), (344, 61350), (400, 52761), (409, 51600), (430, 49080), (516, 40900), (600, 35174), (645, 32720), (688, 30675), (818, 25800), (860, 24540), (1032, 20450), (1075, 19632), (1200, 17587), (1227, 17200), (1290, 16360), (1636, 12900), (1720, 12270), (2045, 10320), (2064, 10225), (2150, 9816), (2454, 8600), (2580, 8180), (3225, 6544), (3272, 6450), (3440, 6135), (4090, 5160), (4300, 4908)]