21664548

素因数分解:

$2^2\times 3^2\times {\mathrm{733}}^1\times {\mathrm{821}}^1$

素因数の和:1564

約数の個数: 36

約数和(自身を含む): 54904668

約数和(自身を除く): 33240120

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 733, 821, 1466, 1642, 2199, 2463, 2932, 3284, 4398, 4926, 6597, 7389, 8796, 9852, 13194, 14778, 26388, 29556, 601793, 1203586, 1805379, 2407172, 3610758, 5416137, 7221516, 10832274, 21664548]

約数ペア:

[(1, 21664548), (2, 10832274), (3, 7221516), (4, 5416137), (6, 3610758), (9, 2407172), (12, 1805379), (18, 1203586), (36, 601793), (733, 29556), (821, 26388), (1466, 14778), (1642, 13194), (2199, 9852), (2463, 8796), (2932, 7389), (3284, 6597), (4398, 4926)]