21603057

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1867}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 35865600

約数和(自身を除く): 14262543

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 1867, 3857, 5601, 11571, 13069, 35473, 39207, 54143, 106419, 162429, 248311, 379001, 744933, 1028717, 1137003, 3086151, 7201019, 21603057]

約数ペア:

[(1, 21603057), (3, 7201019), (7, 3086151), (19, 1137003), (21, 1028717), (29, 744933), (57, 379001), (87, 248311), (133, 162429), (203, 106419), (399, 54143), (551, 39207), (609, 35473), (1653, 13069), (1867, 11571), (3857, 5601)]