21464625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 128

約数和(自身を含む): 47803392

約数和(自身を除く): 26338767

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 35, 37, 39, 51, 65, 75, 85, 91, 105, 111, 119, 125, 175, 185, 195, 221, 255, 259, 273, 325, 357, 375, 425, 455, 481, 525, 555, 595, 629, 663, 777, 875, 925, 975, 1105, 1275, 1295, 1365, 1443, 1547, 1625, 1785, 1887, 2125, 2275, 2405, 2625, 2775, 2975, 3145, 3315, 3367, 3885, 4403, 4625, 4641, 4875, 5525, 6375, 6475, 6825, 7215, 7735, 8177, 8925, 9435, 10101, 11375, 12025, 13209, 13875, 14875, 15725, 16575, 16835, 19425, 22015, 23205, 24531, 27625, 32375, 34125, 36075, 38675, 40885, 44625, 47175, 50505, 57239, 60125, 66045, 78625, 82875, 84175, 97125, 110075, 116025, 122655, 171717, 180375, 193375, 204425, 235875, 252525, 286195, 330225, 420875, 550375, 580125, 613275, 858585, 1022125, 1262625, 1430975, 1651125, 3066375, 4292925, 7154875, 21464625]

約数ペア:

[(1, 21464625), (3, 7154875), (5, 4292925), (7, 3066375), (13, 1651125), (15, 1430975), (17, 1262625), (21, 1022125), (25, 858585), (35, 613275), (37, 580125), (39, 550375), (51, 420875), (65, 330225), (75, 286195), (85, 252525), (91, 235875), (105, 204425), (111, 193375), (119, 180375), (125, 171717), (175, 122655), (185, 116025), (195, 110075), (221, 97125), (255, 84175), (259, 82875), (273, 78625), (325, 66045), (357, 60125), (375, 57239), (425, 50505), (455, 47175), (481, 44625), (525, 40885), (555, 38675), (595, 36075), (629, 34125), (663, 32375), (777, 27625), (875, 24531), (925, 23205), (975, 22015), (1105, 19425), (1275, 16835), (1295, 16575), (1365, 15725), (1443, 14875), (1547, 13875), (1625, 13209), (1785, 12025), (1887, 11375), (2125, 10101), (2275, 9435), (2405, 8925), (2625, 8177), (2775, 7735), (2975, 7215), (3145, 6825), (3315, 6475), (3367, 6375), (3885, 5525), (4403, 4875), (4625, 4641)]