21585384

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{733}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 58683300

約数和(自身を除く): 37097916

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 733, 818, 1227, 1466, 1636, 2199, 2454, 2932, 3272, 3681, 4398, 4908, 5864, 6597, 7362, 8796, 9816, 13194, 14724, 17592, 26388, 29448, 52776, 299797, 599594, 899391, 1199188, 1798782, 2398376, 2698173, 3597564, 5396346, 7195128, 10792692, 21585384]

約数ペア:

[(1, 21585384), (2, 10792692), (3, 7195128), (4, 5396346), (6, 3597564), (8, 2698173), (9, 2398376), (12, 1798782), (18, 1199188), (24, 899391), (36, 599594), (72, 299797), (409, 52776), (733, 29448), (818, 26388), (1227, 17592), (1466, 14724), (1636, 13194), (2199, 9816), (2454, 8796), (2932, 7362), (3272, 6597), (3681, 5864), (4398, 4908)]