21153402

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6793}}^1$

素因数の和:6974

約数の個数: 24

約数和(自身を含む): 46104084

約数和(自身を除く): 24950682

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6793, 13586, 20379, 40758, 61137, 122274, 1175189, 2350378, 3525567, 7051134, 10576701, 21153402]

約数ペア:

[(1, 21153402), (2, 10576701), (3, 7051134), (6, 3525567), (9, 2350378), (18, 1175189), (173, 122274), (346, 61137), (519, 40758), (1038, 20379), (1557, 13586), (3114, 6793)]