21497866239

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1\times {\mathrm{10837}}^1$

素因数の和:11355

約数の個数: 32

約数和(自身を含む): 30742117056

約数和(自身を除く): 9244250817

約数列:

[1, 3, 17, 51, 97, 291, 401, 1203, 1649, 4947, 6817, 10837, 20451, 32511, 38897, 116691, 184229, 552687, 661249, 1051189, 1983747, 3153567, 4345637, 13036911, 17870213, 53610639, 73875829, 221627487, 421526789, 1264580367, 7165955413, 21497866239]

約数ペア:

[(1, 21497866239), (3, 7165955413), (17, 1264580367), (51, 421526789), (97, 221627487), (291, 73875829), (401, 53610639), (1203, 17870213), (1649, 13036911), (4947, 4345637), (6817, 3153567), (10837, 1983747), (20451, 1051189), (32511, 661249), (38897, 552687), (116691, 184229)]