21183720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176531}}^1$

素因数の和:176545

約数の個数: 32

約数和(自身を含む): 63551520

約数和(自身を除く): 42367800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176531, 353062, 529593, 706124, 882655, 1059186, 1412248, 1765310, 2118372, 2647965, 3530620, 4236744, 5295930, 7061240, 10591860, 21183720]

約数ペア:

[(1, 21183720), (2, 10591860), (3, 7061240), (4, 5295930), (5, 4236744), (6, 3530620), (8, 2647965), (10, 2118372), (12, 1765310), (15, 1412248), (20, 1059186), (24, 882655), (30, 706124), (40, 529593), (60, 353062), (120, 176531)]