21324780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118471}}^1$

素因数の和:118486

約数の個数: 36

約数和(自身を含む): 64685712

約数和(自身を除く): 43360932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118471, 236942, 355413, 473884, 592355, 710826, 1066239, 1184710, 1421652, 1777065, 2132478, 2369420, 3554130, 4264956, 5331195, 7108260, 10662390, 21324780]

約数ペア:

[(1, 21324780), (2, 10662390), (3, 7108260), (4, 5331195), (5, 4264956), (6, 3554130), (9, 2369420), (10, 2132478), (12, 1777065), (15, 1421652), (18, 1184710), (20, 1066239), (30, 710826), (36, 592355), (45, 473884), (60, 355413), (90, 236942), (180, 118471)]