21869460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40499}}^1$

素因数の和:40517

約数の個数: 48

約数和(自身を含む): 68040000

約数和(自身を除く): 46170540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40499, 80998, 121497, 161996, 202495, 242994, 364491, 404990, 485988, 607485, 728982, 809980, 1093473, 1214970, 1457964, 1822455, 2186946, 2429940, 3644910, 4373892, 5467365, 7289820, 10934730, 21869460]

約数ペア:

[(1, 21869460), (2, 10934730), (3, 7289820), (4, 5467365), (5, 4373892), (6, 3644910), (9, 2429940), (10, 2186946), (12, 1822455), (15, 1457964), (18, 1214970), (20, 1093473), (27, 809980), (30, 728982), (36, 607485), (45, 485988), (54, 404990), (60, 364491), (90, 242994), (108, 202495), (135, 161996), (180, 121497), (270, 80998), (540, 40499)]