21148932

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3187}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 57128960

約数和(自身を除く): 35980028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3187, 3318, 6374, 6636, 9561, 12748, 19122, 22309, 38244, 44618, 66927, 89236, 133854, 251773, 267708, 503546, 755319, 1007092, 1510638, 1762411, 3021276, 3524822, 5287233, 7049644, 10574466, 21148932]

約数ペア:

[(1, 21148932), (2, 10574466), (3, 7049644), (4, 5287233), (6, 3524822), (7, 3021276), (12, 1762411), (14, 1510638), (21, 1007092), (28, 755319), (42, 503546), (79, 267708), (84, 251773), (158, 133854), (237, 89236), (316, 66927), (474, 44618), (553, 38244), (948, 22309), (1106, 19122), (1659, 12748), (2212, 9561), (3187, 6636), (3318, 6374)]