21448497

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 34504704

約数和(自身を除く): 13056207

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 701, 987, 1457, 2103, 4371, 4907, 10199, 14721, 21731, 30597, 32947, 65193, 98841, 152117, 230629, 456351, 691887, 1021357, 3064071, 7149499, 21448497]

約数ペア:

[(1, 21448497), (3, 7149499), (7, 3064071), (21, 1021357), (31, 691887), (47, 456351), (93, 230629), (141, 152117), (217, 98841), (329, 65193), (651, 32947), (701, 30597), (987, 21731), (1457, 14721), (2103, 10199), (4371, 4907)]