21514430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 72

約数和(自身を含む): 47659752

約数和(自身を除く): 26145322

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 83, 98, 115, 161, 166, 230, 245, 322, 415, 490, 529, 581, 805, 830, 1058, 1127, 1162, 1610, 1909, 2254, 2645, 2905, 3703, 3818, 4067, 5290, 5635, 5810, 7406, 8134, 9545, 11270, 13363, 18515, 19090, 20335, 25921, 26726, 37030, 40670, 43907, 51842, 66815, 87814, 93541, 129605, 133630, 187082, 219535, 259210, 307349, 439070, 467705, 614698, 935410, 1536745, 2151443, 3073490, 4302886, 10757215, 21514430]

約数ペア:

[(1, 21514430), (2, 10757215), (5, 4302886), (7, 3073490), (10, 2151443), (14, 1536745), (23, 935410), (35, 614698), (46, 467705), (49, 439070), (70, 307349), (83, 259210), (98, 219535), (115, 187082), (161, 133630), (166, 129605), (230, 93541), (245, 87814), (322, 66815), (415, 51842), (490, 43907), (529, 40670), (581, 37030), (805, 26726), (830, 25921), (1058, 20335), (1127, 19090), (1162, 18515), (1610, 13363), (1909, 11270), (2254, 9545), (2645, 8134), (2905, 7406), (3703, 5810), (3818, 5635), (4067, 5290)]