21210126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1447}}^1$

素因数の和:1808

約数の個数: 32

約数和(自身を含む): 48652800

約数和(自身を除く): 27442674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 349, 698, 1047, 1447, 2094, 2443, 2894, 4341, 4886, 7329, 8682, 10129, 14658, 20258, 30387, 60774, 505003, 1010006, 1515009, 3030018, 3535021, 7070042, 10605063, 21210126]

約数ペア:

[(1, 21210126), (2, 10605063), (3, 7070042), (6, 3535021), (7, 3030018), (14, 1515009), (21, 1010006), (42, 505003), (349, 60774), (698, 30387), (1047, 20258), (1447, 14658), (2094, 10129), (2443, 8682), (2894, 7329), (4341, 4886)]