21005184

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{2879}}^1$

素因数の和:2915

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 37746816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 304, 384, 456, 608, 912, 1216, 1824, 2432, 2879, 3648, 5758, 7296, 8637, 11516, 17274, 23032, 34548, 46064, 54701, 69096, 92128, 109402, 138192, 164103, 184256, 218804, 276384, 328206, 368512, 437608, 552768, 656412, 875216, 1105536, 1312824, 1750432, 2625648, 3500864, 5251296, 7001728, 10502592, 21005184]

約数ペア:

[(1, 21005184), (2, 10502592), (3, 7001728), (4, 5251296), (6, 3500864), (8, 2625648), (12, 1750432), (16, 1312824), (19, 1105536), (24, 875216), (32, 656412), (38, 552768), (48, 437608), (57, 368512), (64, 328206), (76, 276384), (96, 218804), (114, 184256), (128, 164103), (152, 138192), (192, 109402), (228, 92128), (304, 69096), (384, 54701), (456, 46064), (608, 34548), (912, 23032), (1216, 17274), (1824, 11516), (2432, 8637), (2879, 7296), (3648, 5758)]