21127320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58687}}^1$

素因数の和:58704

約数の個数: 48

約数和(自身を含む): 68664960

約数和(自身を除く): 47537640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58687, 117374, 176061, 234748, 293435, 352122, 469496, 528183, 586870, 704244, 880305, 1056366, 1173740, 1408488, 1760610, 2112732, 2347480, 2640915, 3521220, 4225464, 5281830, 7042440, 10563660, 21127320]

約数ペア:

[(1, 21127320), (2, 10563660), (3, 7042440), (4, 5281830), (5, 4225464), (6, 3521220), (8, 2640915), (9, 2347480), (10, 2112732), (12, 1760610), (15, 1408488), (18, 1173740), (20, 1056366), (24, 880305), (30, 704244), (36, 586870), (40, 528183), (45, 469496), (60, 352122), (72, 293435), (90, 234748), (120, 176061), (180, 117374), (360, 58687)]