21177898

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7018

約数の個数: 24

約数和(自身を含む): 38150784

約数和(自身を除く): 16972886

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 6971, 13942, 48797, 97594, 216101, 341579, 432202, 683158, 1512707, 3025414, 10588949, 21177898]

約数ペア:

[(1, 21177898), (2, 10588949), (7, 3025414), (14, 1512707), (31, 683158), (49, 432202), (62, 341579), (98, 216101), (217, 97594), (434, 48797), (1519, 13942), (3038, 6971)]