21040722

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5647}}^1$

素因数の和:5684

約数の個数: 40

約数和(自身を含む): 49205376

約数和(自身を除く): 28164654

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5647, 11294, 16941, 33882, 50823, 101646, 129881, 152469, 259762, 304938, 389643, 457407, 779286, 914814, 1168929, 2337858, 3506787, 7013574, 10520361, 21040722]

約数ペア:

[(1, 21040722), (2, 10520361), (3, 7013574), (6, 3506787), (9, 2337858), (18, 1168929), (23, 914814), (27, 779286), (46, 457407), (54, 389643), (69, 304938), (81, 259762), (138, 152469), (162, 129881), (207, 101646), (414, 50823), (621, 33882), (1242, 16941), (1863, 11294), (3726, 5647)]