21623576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3923}}^1$

素因数の和:3995

約数の個数: 32

約数和(自身を含む): 44498160

約数和(自身を除く): 22874584

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3923, 5512, 7846, 15692, 31384, 50999, 101998, 203996, 207919, 407992, 415838, 831676, 1663352, 2702947, 5405894, 10811788, 21623576]

約数ペア:

[(1, 21623576), (2, 10811788), (4, 5405894), (8, 2702947), (13, 1663352), (26, 831676), (52, 415838), (53, 407992), (104, 207919), (106, 203996), (212, 101998), (424, 50999), (689, 31384), (1378, 15692), (2756, 7846), (3923, 5512)]