21250566

素因数分解:

$2^1\times 3^3\times {\mathrm{97}}^1\times {\mathrm{4057}}^1$

素因数の和:4165

約数の個数: 32

約数和(自身を含む): 47722080

約数和(自身を除く): 26471514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 97, 194, 291, 582, 873, 1746, 2619, 4057, 5238, 8114, 12171, 24342, 36513, 73026, 109539, 219078, 393529, 787058, 1180587, 2361174, 3541761, 7083522, 10625283, 21250566]

約数ペア:

[(1, 21250566), (2, 10625283), (3, 7083522), (6, 3541761), (9, 2361174), (18, 1180587), (27, 787058), (54, 393529), (97, 219078), (194, 109539), (291, 73026), (582, 36513), (873, 24342), (1746, 12171), (2619, 8114), (4057, 5238)]