21053203425

素因数分解:

$3^3\times 5^2\times {\mathrm{409}}^1\times {\mathrm{76259}}^1$

素因数の和:76687

約数の個数: 48

約数和(自身を含む): 38770584000

約数和(自身を除く): 17717380575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 409, 675, 1227, 2045, 3681, 6135, 10225, 11043, 18405, 30675, 55215, 76259, 92025, 228777, 276075, 381295, 686331, 1143885, 1906475, 2058993, 3431655, 5719425, 10294965, 17158275, 31189931, 51474825, 93569793, 155949655, 280709379, 467848965, 779748275, 842128137, 1403546895, 2339244825, 4210640685, 7017734475, 21053203425]

約数ペア:

[(1, 21053203425), (3, 7017734475), (5, 4210640685), (9, 2339244825), (15, 1403546895), (25, 842128137), (27, 779748275), (45, 467848965), (75, 280709379), (135, 155949655), (225, 93569793), (409, 51474825), (675, 31189931), (1227, 17158275), (2045, 10294965), (3681, 5719425), (6135, 3431655), (10225, 2058993), (11043, 1906475), (18405, 1143885), (30675, 686331), (55215, 381295), (76259, 276075), (92025, 228777)]