21372688

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{2027}}^1$

素因数の和:2694

約数の個数: 20

約数和(自身を含む): 41492880

約数和(自身を除く): 20120192

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2027, 2636, 4054, 5272, 8108, 10544, 16216, 32432, 1335793, 2671586, 5343172, 10686344, 21372688]

約数ペア:

[(1, 21372688), (2, 10686344), (4, 5343172), (8, 2671586), (16, 1335793), (659, 32432), (1318, 16216), (2027, 10544), (2636, 8108), (4054, 5272)]