21153706

素因数分解:

$2^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{2441}}^1$

素因数の和:3069

約数の個数: 16

約数和(自身を含む): 36336960

約数和(自身を除く): 15183254

約数列:

[1, 2, 7, 14, 619, 1238, 2441, 4333, 4882, 8666, 17087, 34174, 1510979, 3021958, 10576853, 21153706]

約数ペア:

[(1, 21153706), (2, 10576853), (7, 3021958), (14, 1510979), (619, 34174), (1238, 17087), (2441, 8666), (4333, 4882)]