21099012

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^3\times {\mathrm{1321}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 54191424

約数和(自身を除く): 33092412

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 242, 363, 484, 726, 1321, 1331, 1452, 2642, 2662, 3963, 3993, 5284, 5324, 7926, 7986, 14531, 15852, 15972, 29062, 43593, 58124, 87186, 159841, 174372, 319682, 479523, 639364, 959046, 1758251, 1918092, 3516502, 5274753, 7033004, 10549506, 21099012]

約数ペア:

[(1, 21099012), (2, 10549506), (3, 7033004), (4, 5274753), (6, 3516502), (11, 1918092), (12, 1758251), (22, 959046), (33, 639364), (44, 479523), (66, 319682), (121, 174372), (132, 159841), (242, 87186), (363, 58124), (484, 43593), (726, 29062), (1321, 15972), (1331, 15852), (1452, 14531), (2642, 7986), (2662, 7926), (3963, 5324), (3993, 5284)]