21970774

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 38972160

約数和(自身を除く): 17001386

約数列:

[1, 2, 7, 14, 59, 67, 118, 134, 397, 413, 469, 794, 826, 938, 2779, 3953, 5558, 7906, 23423, 26599, 27671, 46846, 53198, 55342, 163961, 186193, 327922, 372386, 1569341, 3138682, 10985387, 21970774]

約数ペア:

[(1, 21970774), (2, 10985387), (7, 3138682), (14, 1569341), (59, 372386), (67, 327922), (118, 186193), (134, 163961), (397, 55342), (413, 53198), (469, 46846), (794, 27671), (826, 26599), (938, 23423), (2779, 7906), (3953, 5558)]