21738168

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^2\times {\mathrm{359}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 61144200

約数和(自身を除く): 39406032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 359, 522, 696, 718, 841, 1044, 1077, 1436, 1682, 2088, 2154, 2523, 2872, 3231, 3364, 4308, 5046, 6462, 6728, 7569, 8616, 10092, 10411, 12924, 15138, 20184, 20822, 25848, 30276, 31233, 41644, 60552, 62466, 83288, 93699, 124932, 187398, 249864, 301919, 374796, 603838, 749592, 905757, 1207676, 1811514, 2415352, 2717271, 3623028, 5434542, 7246056, 10869084, 21738168]

約数ペア:

[(1, 21738168), (2, 10869084), (3, 7246056), (4, 5434542), (6, 3623028), (8, 2717271), (9, 2415352), (12, 1811514), (18, 1207676), (24, 905757), (29, 749592), (36, 603838), (58, 374796), (72, 301919), (87, 249864), (116, 187398), (174, 124932), (232, 93699), (261, 83288), (348, 62466), (359, 60552), (522, 41644), (696, 31233), (718, 30276), (841, 25848), (1044, 20822), (1077, 20184), (1436, 15138), (1682, 12924), (2088, 10411), (2154, 10092), (2523, 8616), (2872, 7569), (3231, 6728), (3364, 6462), (4308, 5046)]