21173778

素因数分解:

$2^1\times 3^3\times {\mathrm{241}}^1\times {\mathrm{1627}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 47277120

約数和(自身を除く): 26103342

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 241, 482, 723, 1446, 1627, 2169, 3254, 4338, 4881, 6507, 9762, 13014, 14643, 29286, 43929, 87858, 392107, 784214, 1176321, 2352642, 3528963, 7057926, 10586889, 21173778]

約数ペア:

[(1, 21173778), (2, 10586889), (3, 7057926), (6, 3528963), (9, 2352642), (18, 1176321), (27, 784214), (54, 392107), (241, 87858), (482, 43929), (723, 29286), (1446, 14643), (1627, 13014), (2169, 9762), (3254, 6507), (4338, 4881)]