21101416

素因数分解:

$2^3\times 7^1\times {\mathrm{376811}}^1$

素因数の和:376824

約数の個数: 16

約数和(自身を含む): 45217440

約数和(自身を除く): 24116024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 376811, 753622, 1507244, 2637677, 3014488, 5275354, 10550708, 21101416]

約数ペア:

[(1, 21101416), (2, 10550708), (4, 5275354), (7, 3014488), (8, 2637677), (14, 1507244), (28, 753622), (56, 376811)]