21907702

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{971}}^1$

素因数の和:1391

約数の個数: 16

約数和(自身を含む): 34117200

約数和(自身を除く): 12209498

約数列:

[1, 2, 29, 58, 389, 778, 971, 1942, 11281, 22562, 28159, 56318, 377719, 755438, 10953851, 21907702]

約数ペア:

[(1, 21907702), (2, 10953851), (29, 755438), (58, 377719), (389, 56318), (778, 28159), (971, 22562), (1942, 11281)]