21145866

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5657}}^1$

素因数の和:5758

約数の個数: 32

約数和(自身を含む): 48885120

約数和(自身を除く): 27739254

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 5657, 11314, 16971, 33942, 39599, 79198, 118797, 237594, 503473, 1006946, 1510419, 3020838, 3524311, 7048622, 10572933, 21145866]

約数ペア:

[(1, 21145866), (2, 10572933), (3, 7048622), (6, 3524311), (7, 3020838), (14, 1510419), (21, 1006946), (42, 503473), (89, 237594), (178, 118797), (267, 79198), (534, 39599), (623, 33942), (1246, 16971), (1869, 11314), (3738, 5657)]