21980300

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{3011}}^1$

素因数の和:3098

約数の個数: 36

約数和(自身を含む): 48366696

約数和(自身を除く): 26386396

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 3011, 3650, 6022, 7300, 12044, 15055, 30110, 60220, 75275, 150550, 219803, 301100, 439606, 879212, 1099015, 2198030, 4396060, 5495075, 10990150, 21980300]

約数ペア:

[(1, 21980300), (2, 10990150), (4, 5495075), (5, 4396060), (10, 2198030), (20, 1099015), (25, 879212), (50, 439606), (73, 301100), (100, 219803), (146, 150550), (292, 75275), (365, 60220), (730, 30110), (1460, 15055), (1825, 12044), (3011, 7300), (3650, 6022)]