21567966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13879}}^1$

素因数の和:13928

約数の個数: 32

約数和(自身を含む): 50634240

約数和(自身を除く): 29066274

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13879, 27758, 41637, 83274, 97153, 194306, 291459, 513523, 582918, 1027046, 1540569, 3081138, 3594661, 7189322, 10783983, 21567966]

約数ペア:

[(1, 21567966), (2, 10783983), (3, 7189322), (6, 3594661), (7, 3081138), (14, 1540569), (21, 1027046), (37, 582918), (42, 513523), (74, 291459), (111, 194306), (222, 97153), (259, 83274), (518, 41637), (777, 27758), (1554, 13879)]