21989550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13327}}^1$

素因数の和:13353

約数の個数: 48

約数和(自身を含む): 59496192

約数和(自身を除く): 37506642

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 13327, 26654, 39981, 66635, 79962, 133270, 146597, 199905, 293194, 333175, 399810, 439791, 666350, 732985, 879582, 999525, 1465970, 1999050, 2198955, 3664925, 4397910, 7329850, 10994775, 21989550]

約数ペア:

[(1, 21989550), (2, 10994775), (3, 7329850), (5, 4397910), (6, 3664925), (10, 2198955), (11, 1999050), (15, 1465970), (22, 999525), (25, 879582), (30, 732985), (33, 666350), (50, 439791), (55, 399810), (66, 333175), (75, 293194), (110, 199905), (150, 146597), (165, 133270), (275, 79962), (330, 66635), (550, 39981), (825, 26654), (1650, 13327)]