21182580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39227}}^1$

素因数の和:39245

約数の個数: 48

約数和(自身を含む): 65903040

約数和(自身を除く): 44720460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39227, 78454, 117681, 156908, 196135, 235362, 353043, 392270, 470724, 588405, 706086, 784540, 1059129, 1176810, 1412172, 1765215, 2118258, 2353620, 3530430, 4236516, 5295645, 7060860, 10591290, 21182580]

約数ペア:

[(1, 21182580), (2, 10591290), (3, 7060860), (4, 5295645), (5, 4236516), (6, 3530430), (9, 2353620), (10, 2118258), (12, 1765215), (15, 1412172), (18, 1176810), (20, 1059129), (27, 784540), (30, 706086), (36, 588405), (45, 470724), (54, 392270), (60, 353043), (90, 235362), (108, 196135), (135, 156908), (180, 117681), (270, 78454), (540, 39227)]