21360484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5303}}^1$

素因数の和:5379

約数の個数: 24

約数和(自身を含む): 40098240

約数和(自身を除く): 18737756

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5303, 10606, 21212, 100757, 201514, 281059, 403028, 562118, 1124236, 5340121, 10680242, 21360484]

約数ペア:

[(1, 21360484), (2, 10680242), (4, 5340121), (19, 1124236), (38, 562118), (53, 403028), (76, 281059), (106, 201514), (212, 100757), (1007, 21212), (2014, 10606), (4028, 5303)]