21919320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60887}}^1$

素因数の和:60904

約数の個数: 48

約数和(自身を含む): 71238960

約数和(自身を除く): 49319640

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, 60887, 121774, 182661, 243548, 304435, 365322, 487096, 547983, 608870, 730644, 913305, 1095966, 1217740, 1461288, 1826610, 2191932, 2435480, 2739915, 3653220, 4383864, 5479830, 7306440, 10959660, 21919320]

約数ペア:

[(1, 21919320), (2, 10959660), (3, 7306440), (4, 5479830), (5, 4383864), (6, 3653220), (8, 2739915), (9, 2435480), (10, 2191932), (12, 1826610), (15, 1461288), (18, 1217740), (20, 1095966), (24, 913305), (30, 730644), (36, 608870), (40, 547983), (45, 487096), (60, 365322), (72, 304435), (90, 243548), (120, 182661), (180, 121774), (360, 60887)]