21505614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{941}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 46527264

約数和(自身を除く): 25021650

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 293, 586, 879, 941, 1758, 1882, 2823, 3809, 5646, 7618, 11427, 12233, 22854, 24466, 36699, 73398, 275713, 551426, 827139, 1654278, 3584269, 7168538, 10752807, 21505614]

約数ペア:

[(1, 21505614), (2, 10752807), (3, 7168538), (6, 3584269), (13, 1654278), (26, 827139), (39, 551426), (78, 275713), (293, 73398), (586, 36699), (879, 24466), (941, 22854), (1758, 12233), (1882, 11427), (2823, 7618), (3809, 5646)]