21840216

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{21163}}^1$

素因数の和:21215

約数の個数: 32

約数和(自身を含む): 55872960

約数和(自身を除く): 34032744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 21163, 42326, 63489, 84652, 126978, 169304, 253956, 507912, 910009, 1820018, 2730027, 3640036, 5460054, 7280072, 10920108, 21840216]

約数ペア:

[(1, 21840216), (2, 10920108), (3, 7280072), (4, 5460054), (6, 3640036), (8, 2730027), (12, 1820018), (24, 910009), (43, 507912), (86, 253956), (129, 169304), (172, 126978), (258, 84652), (344, 63489), (516, 42326), (1032, 21163)]