21911967

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4517}}^1$

素因数の和:4548

約数の個数: 36

約数和(自身を含む): 40174056

約数和(自身を除く): 18262089

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4517, 4851, 13551, 31619, 40653, 49687, 94857, 149061, 221333, 284571, 347809, 447183, 663999, 1043427, 1991997, 2434663, 3130281, 7303989, 21911967]

約数ペア:

[(1, 21911967), (3, 7303989), (7, 3130281), (9, 2434663), (11, 1991997), (21, 1043427), (33, 663999), (49, 447183), (63, 347809), (77, 284571), (99, 221333), (147, 149061), (231, 94857), (441, 49687), (539, 40653), (693, 31619), (1617, 13551), (4517, 4851)]