21188202

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3851}}^1$

素因数の和:3994

約数の個数: 32

約数和(自身を含む): 48812544

約数和(自身を除く): 27624342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 3851, 5502, 7702, 11553, 23106, 26957, 53914, 80871, 161742, 504481, 1008962, 1513443, 3026886, 3531367, 7062734, 10594101, 21188202]

約数ペア:

[(1, 21188202), (2, 10594101), (3, 7062734), (6, 3531367), (7, 3026886), (14, 1513443), (21, 1008962), (42, 504481), (131, 161742), (262, 80871), (393, 53914), (786, 26957), (917, 23106), (1834, 11553), (2751, 7702), (3851, 5502)]