21207804970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1706179}}^1$

素因数の和:1706310

約数の個数: 32

約数和(自身を含む): 42012976320

約数和(自身を除く): 20805171350

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 2486, 6215, 12430, 1706179, 3412358, 8530895, 17061790, 18767969, 37535938, 93839845, 187679690, 192798227, 385596454, 963991135, 1927982270, 2120780497, 4241560994, 10603902485, 21207804970]

約数ペア:

[(1, 21207804970), (2, 10603902485), (5, 4241560994), (10, 2120780497), (11, 1927982270), (22, 963991135), (55, 385596454), (110, 192798227), (113, 187679690), (226, 93839845), (565, 37535938), (1130, 18767969), (1243, 17061790), (2486, 8530895), (6215, 3412358), (12430, 1706179)]