21769111

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 28344960

約数和(自身を除く): 6575849

約数列:

[1, 7, 13, 29, 73, 91, 113, 203, 377, 511, 791, 949, 1469, 2117, 2639, 3277, 6643, 8249, 10283, 14819, 22939, 27521, 42601, 57743, 107237, 192647, 239221, 298207, 750659, 1674547, 3109873, 21769111]

約数ペア:

[(1, 21769111), (7, 3109873), (13, 1674547), (29, 750659), (73, 298207), (91, 239221), (113, 192647), (203, 107237), (377, 57743), (511, 42601), (791, 27521), (949, 22939), (1469, 14819), (2117, 10283), (2639, 8249), (3277, 6643)]