21470092

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 44976960

約数和(自身を除く): 23506868

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 137, 193, 203, 274, 386, 406, 548, 772, 812, 959, 1351, 1918, 2702, 3836, 3973, 5404, 5597, 7946, 11194, 15892, 22388, 26441, 27811, 39179, 52882, 55622, 78358, 105764, 111244, 156716, 185087, 370174, 740348, 766789, 1533578, 3067156, 5367523, 10735046, 21470092]

約数ペア:

[(1, 21470092), (2, 10735046), (4, 5367523), (7, 3067156), (14, 1533578), (28, 766789), (29, 740348), (58, 370174), (116, 185087), (137, 156716), (193, 111244), (203, 105764), (274, 78358), (386, 55622), (406, 52882), (548, 39179), (772, 27811), (812, 26441), (959, 22388), (1351, 15892), (1918, 11194), (2702, 7946), (3836, 5597), (3973, 5404)]