21576673040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20746801}}^1$

素因数の和:20746827

約数の個数: 40

約数和(自身を含む): 54024672408

約数和(自身を除く): 32447999368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 20746801, 41493602, 82987204, 103734005, 165974408, 207468010, 269708413, 331948816, 414936020, 539416826, 829872040, 1078833652, 1348542065, 1659744080, 2157667304, 2697084130, 4315334608, 5394168260, 10788336520, 21576673040]

約数ペア:

[(1, 21576673040), (2, 10788336520), (4, 5394168260), (5, 4315334608), (8, 2697084130), (10, 2157667304), (13, 1659744080), (16, 1348542065), (20, 1078833652), (26, 829872040), (40, 539416826), (52, 414936020), (65, 331948816), (80, 269708413), (104, 207468010), (130, 165974408), (208, 103734005), (260, 82987204), (520, 41493602), (1040, 20746801)]