21301320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177511}}^1$

素因数の和:177525

約数の個数: 32

約数和(自身を含む): 63904320

約数和(自身を除く): 42603000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177511, 355022, 532533, 710044, 887555, 1065066, 1420088, 1775110, 2130132, 2662665, 3550220, 4260264, 5325330, 7100440, 10650660, 21301320]

約数ペア:

[(1, 21301320), (2, 10650660), (3, 7100440), (4, 5325330), (5, 4260264), (6, 3550220), (8, 2662665), (10, 2130132), (12, 1775110), (15, 1420088), (20, 1065066), (24, 887555), (30, 710044), (40, 532533), (60, 355022), (120, 177511)]