21032770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{521}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 41492736

約数和(自身を除く): 20459966

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 367, 521, 734, 1042, 1835, 2605, 3670, 4037, 5210, 5731, 8074, 11462, 20185, 28655, 40370, 57310, 191207, 382414, 956035, 1912070, 2103277, 4206554, 10516385, 21032770]

約数ペア:

[(1, 21032770), (2, 10516385), (5, 4206554), (10, 2103277), (11, 1912070), (22, 956035), (55, 382414), (110, 191207), (367, 57310), (521, 40370), (734, 28655), (1042, 20185), (1835, 11462), (2605, 8074), (3670, 5731), (4037, 5210)]