21000455440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11413291}}^1$

素因数の和:11413327

約数の個数: 40

約数和(自身を含む): 50948935488

約数和(自身を除く): 29948480048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11413291, 22826582, 45653164, 57066455, 91306328, 114132910, 182612656, 228265820, 262505693, 456531640, 525011386, 913063280, 1050022772, 1312528465, 2100045544, 2625056930, 4200091088, 5250113860, 10500227720, 21000455440]

約数ペア:

[(1, 21000455440), (2, 10500227720), (4, 5250113860), (5, 4200091088), (8, 2625056930), (10, 2100045544), (16, 1312528465), (20, 1050022772), (23, 913063280), (40, 525011386), (46, 456531640), (80, 262505693), (92, 228265820), (115, 182612656), (184, 114132910), (230, 91306328), (368, 57066455), (460, 45653164), (920, 22826582), (1840, 11413291)]