21858950

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{4507}}^1$

素因数の和:4616

約数の個数: 24

約数和(自身を含む): 41085912

約数和(自身を除く): 19226962

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 970, 2425, 4507, 4850, 9014, 22535, 45070, 112675, 225350, 437179, 874358, 2185895, 4371790, 10929475, 21858950]

約数ペア:

[(1, 21858950), (2, 10929475), (5, 4371790), (10, 2185895), (25, 874358), (50, 437179), (97, 225350), (194, 112675), (485, 45070), (970, 22535), (2425, 9014), (4507, 4850)]