21648144

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3428

約数の個数: 80

約数和(自身を含む): 67297280

約数和(自身を除く): 45649136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 3391, 6384, 6782, 10173, 13564, 20346, 23737, 27128, 40692, 47474, 54256, 64429, 71211, 81384, 94948, 128858, 142422, 162768, 189896, 193287, 257716, 284844, 379792, 386574, 451003, 515432, 569688, 773148, 902006, 1030864, 1139376, 1353009, 1546296, 1804012, 2706018, 3092592, 3608024, 5412036, 7216048, 10824072, 21648144]

約数ペア:

[(1, 21648144), (2, 10824072), (3, 7216048), (4, 5412036), (6, 3608024), (7, 3092592), (8, 2706018), (12, 1804012), (14, 1546296), (16, 1353009), (19, 1139376), (21, 1030864), (24, 902006), (28, 773148), (38, 569688), (42, 515432), (48, 451003), (56, 386574), (57, 379792), (76, 284844), (84, 257716), (112, 193287), (114, 189896), (133, 162768), (152, 142422), (168, 128858), (228, 94948), (266, 81384), (304, 71211), (336, 64429), (399, 54256), (456, 47474), (532, 40692), (798, 27128), (912, 23737), (1064, 20346), (1596, 13564), (2128, 10173), (3192, 6782), (3391, 6384)]