21815012

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{6053}}^1$

素因数の和:6127

約数の個数: 24

約数和(自身を含む): 41191416

約数和(自身を除く): 19376404

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 6053, 12106, 24212, 102901, 205802, 320809, 411604, 641618, 1283236, 5453753, 10907506, 21815012]

約数ペア:

[(1, 21815012), (2, 10907506), (4, 5453753), (17, 1283236), (34, 641618), (53, 411604), (68, 320809), (106, 205802), (212, 102901), (901, 24212), (1802, 12106), (3604, 6053)]