21787578

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{52627}}^1$

素因数の和:52658

約数の個数: 24

約数和(自身を含む): 49259808

約数和(自身を除く): 27472230

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 52627, 105254, 157881, 315762, 473643, 947286, 1210421, 2420842, 3631263, 7262526, 10893789, 21787578]

約数ペア:

[(1, 21787578), (2, 10893789), (3, 7262526), (6, 3631263), (9, 2420842), (18, 1210421), (23, 947286), (46, 473643), (69, 315762), (138, 157881), (207, 105254), (414, 52627)]