21077966

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 18113074

約数列:

[1, 2, 7, 13, 14, 26, 91, 179, 182, 358, 647, 1253, 1294, 2327, 2506, 4529, 4654, 8411, 9058, 16289, 16822, 32578, 58877, 115813, 117754, 231626, 810691, 1505569, 1621382, 3011138, 10538983, 21077966]

約数ペア:

[(1, 21077966), (2, 10538983), (7, 3011138), (13, 1621382), (14, 1505569), (26, 810691), (91, 231626), (179, 117754), (182, 115813), (358, 58877), (647, 32578), (1253, 16822), (1294, 16289), (2327, 9058), (2506, 8411), (4529, 4654)]