21242223

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 33331200

約数和(自身を除く): 12088977

約数列:

[1, 3, 9, 27, 31, 41, 93, 123, 279, 369, 619, 837, 1107, 1271, 1857, 3813, 5571, 11439, 16713, 19189, 25379, 34317, 57567, 76137, 172701, 228411, 518103, 685233, 786749, 2360247, 7080741, 21242223]

約数ペア:

[(1, 21242223), (3, 7080741), (9, 2360247), (27, 786749), (31, 685233), (41, 518103), (93, 228411), (123, 172701), (279, 76137), (369, 57567), (619, 34317), (837, 25379), (1107, 19189), (1271, 16713), (1857, 11439), (3813, 5571)]