21660060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{361001}}^1$

素因数の和:361013

約数の個数: 24

約数和(自身を含む): 60648336

約数和(自身を除く): 38988276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 361001, 722002, 1083003, 1444004, 1805005, 2166006, 3610010, 4332012, 5415015, 7220020, 10830030, 21660060]

約数ペア:

[(1, 21660060), (2, 10830030), (3, 7220020), (4, 5415015), (5, 4332012), (6, 3610010), (10, 2166006), (12, 1805005), (15, 1444004), (20, 1083003), (30, 722002), (60, 361001)]