21780684

素因数分解:

$2^2\times 3^3\times {\mathrm{201673}}^1$

素因数の和:201686

約数の個数: 24

約数和(自身を含む): 56468720

約数和(自身を除く): 34688036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 201673, 403346, 605019, 806692, 1210038, 1815057, 2420076, 3630114, 5445171, 7260228, 10890342, 21780684]

約数ペア:

[(1, 21780684), (2, 10890342), (3, 7260228), (4, 5445171), (6, 3630114), (9, 2420076), (12, 1815057), (18, 1210038), (27, 806692), (36, 605019), (54, 403346), (108, 201673)]