21872326

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2689}}^1$

素因数の和:2788

約数の個数: 24

約数和(自身を含む): 38639160

約数和(自身を除く): 16766834

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 2689, 4067, 5378, 8134, 18823, 37646, 131761, 223187, 263522, 446374, 1562309, 3124618, 10936163, 21872326]

約数ペア:

[(1, 21872326), (2, 10936163), (7, 3124618), (14, 1562309), (49, 446374), (83, 263522), (98, 223187), (166, 131761), (581, 37646), (1162, 18823), (2689, 8134), (4067, 5378)]