21269352

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68171}}^1$

素因数の和:68193

約数の個数: 32

約数和(自身を含む): 57264480

約数和(自身を除く): 35995128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68171, 136342, 204513, 272684, 409026, 545368, 818052, 886223, 1636104, 1772446, 2658669, 3544892, 5317338, 7089784, 10634676, 21269352]

約数ペア:

[(1, 21269352), (2, 10634676), (3, 7089784), (4, 5317338), (6, 3544892), (8, 2658669), (12, 1772446), (13, 1636104), (24, 886223), (26, 818052), (39, 545368), (52, 409026), (78, 272684), (104, 204513), (156, 136342), (312, 68171)]