21225129216

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1454573}}^1$

素因数の和:1454611

約数の個数: 72

約数和(自身を含む): 59462985120

約数和(自身を除く): 38237855904

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, 256, 304, 384, 456, 608, 768, 912, 1216, 1824, 2432, 3648, 4864, 7296, 14592, 1454573, 2909146, 4363719, 5818292, 8727438, 11636584, 17454876, 23273168, 27636887, 34909752, 46546336, 55273774, 69819504, 82910661, 93092672, 110547548, 139639008, 165821322, 186185344, 221095096, 279278016, 331642644, 372370688, 442190192, 558556032, 663285288, 884380384, 1117112064, 1326570576, 1768760768, 2653141152, 3537521536, 5306282304, 7075043072, 10612564608, 21225129216]

約数ペア:

[(1, 21225129216), (2, 10612564608), (3, 7075043072), (4, 5306282304), (6, 3537521536), (8, 2653141152), (12, 1768760768), (16, 1326570576), (19, 1117112064), (24, 884380384), (32, 663285288), (38, 558556032), (48, 442190192), (57, 372370688), (64, 331642644), (76, 279278016), (96, 221095096), (114, 186185344), (128, 165821322), (152, 139639008), (192, 110547548), (228, 93092672), (256, 82910661), (304, 69819504), (384, 55273774), (456, 46546336), (608, 34909752), (768, 27636887), (912, 23273168), (1216, 17454876), (1824, 11636584), (2432, 8727438), (3648, 5818292), (4864, 4363719), (7296, 2909146), (14592, 1454573)]