21022461

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 31135104

約数和(自身を除く): 10112643

約数列:

[1, 3, 9, 71, 167, 197, 213, 501, 591, 639, 1503, 1773, 11857, 13987, 32899, 35571, 41961, 98697, 106713, 125883, 296091, 2335829, 7007487, 21022461]

約数ペア:

[(1, 21022461), (3, 7007487), (9, 2335829), (71, 296091), (167, 125883), (197, 106713), (213, 98697), (501, 41961), (591, 35571), (639, 32899), (1503, 13987), (1773, 11857)]