21905556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3313}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 55675200

約数和(自身を除く): 33769644

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 174, 228, 348, 551, 1102, 1653, 2204, 3306, 3313, 6612, 6626, 9939, 13252, 19878, 39756, 62947, 96077, 125894, 188841, 192154, 251788, 288231, 377682, 384308, 576462, 755364, 1152924, 1825463, 3650926, 5476389, 7301852, 10952778, 21905556]

約数ペア:

[(1, 21905556), (2, 10952778), (3, 7301852), (4, 5476389), (6, 3650926), (12, 1825463), (19, 1152924), (29, 755364), (38, 576462), (57, 384308), (58, 377682), (76, 288231), (87, 251788), (114, 192154), (116, 188841), (174, 125894), (228, 96077), (348, 62947), (551, 39756), (1102, 19878), (1653, 13252), (2204, 9939), (3306, 6626), (3313, 6612)]