21463589

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 25536000

約数和(自身を除く): 4072411

約数列:

[1, 7, 37, 79, 259, 553, 1049, 2923, 7343, 20461, 38813, 82871, 271691, 580097, 3066227, 21463589]

約数ペア:

[(1, 21463589), (7, 3066227), (37, 580097), (79, 271691), (259, 82871), (553, 38813), (1049, 20461), (2923, 7343)]