21647672

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2129}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 42940800

約数和(自身を除く): 21293128

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 1271, 2129, 2542, 4258, 5084, 8516, 10168, 17032, 65999, 87289, 131998, 174578, 263996, 349156, 527992, 698312, 2705959, 5411918, 10823836, 21647672]

約数ペア:

[(1, 21647672), (2, 10823836), (4, 5411918), (8, 2705959), (31, 698312), (41, 527992), (62, 349156), (82, 263996), (124, 174578), (164, 131998), (248, 87289), (328, 65999), (1271, 17032), (2129, 10168), (2542, 8516), (4258, 5084)]