21272888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29221}}^1$

素因数の和:29247

約数の個数: 32

約数和(自身を含む): 49092960

約数和(自身を除く): 27820072

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29221, 58442, 116884, 204547, 233768, 379873, 409094, 759746, 818188, 1519492, 1636376, 2659111, 3038984, 5318222, 10636444, 21272888]

約数ペア:

[(1, 21272888), (2, 10636444), (4, 5318222), (7, 3038984), (8, 2659111), (13, 1636376), (14, 1519492), (26, 818188), (28, 759746), (52, 409094), (56, 379873), (91, 233768), (104, 204547), (182, 116884), (364, 58442), (728, 29221)]