21292719

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{10039}}^1$

素因数の和:10150

約数の個数: 16

約数和(自身を含む): 32770560

約数和(自身を除く): 11477841

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 10039, 30117, 70273, 210819, 1013939, 3041817, 7097573, 21292719]

約数ペア:

[(1, 21292719), (3, 7097573), (7, 3041817), (21, 1013939), (101, 210819), (303, 70273), (707, 30117), (2121, 10039)]