21814485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 46884096

約数和(自身を除く): 25069611

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 101, 105, 119, 121, 165, 187, 231, 255, 303, 357, 363, 385, 505, 561, 595, 605, 707, 847, 935, 1111, 1155, 1309, 1515, 1717, 1785, 1815, 2057, 2121, 2541, 2805, 3333, 3535, 3927, 4235, 5151, 5555, 6171, 6545, 7777, 8585, 10285, 10605, 12019, 12221, 12705, 14399, 16665, 18887, 19635, 23331, 25755, 30855, 36057, 36663, 38885, 43197, 56661, 60095, 61105, 71995, 85547, 94435, 116655, 132209, 180285, 183315, 207757, 215985, 256641, 283305, 396627, 427735, 623271, 661045, 1038785, 1283205, 1454299, 1983135, 3116355, 4362897, 7271495, 21814485]

約数ペア:

[(1, 21814485), (3, 7271495), (5, 4362897), (7, 3116355), (11, 1983135), (15, 1454299), (17, 1283205), (21, 1038785), (33, 661045), (35, 623271), (51, 427735), (55, 396627), (77, 283305), (85, 256641), (101, 215985), (105, 207757), (119, 183315), (121, 180285), (165, 132209), (187, 116655), (231, 94435), (255, 85547), (303, 71995), (357, 61105), (363, 60095), (385, 56661), (505, 43197), (561, 38885), (595, 36663), (605, 36057), (707, 30855), (847, 25755), (935, 23331), (1111, 19635), (1155, 18887), (1309, 16665), (1515, 14399), (1717, 12705), (1785, 12221), (1815, 12019), (2057, 10605), (2121, 10285), (2541, 8585), (2805, 7777), (3333, 6545), (3535, 6171), (3927, 5555), (4235, 5151)]