21015566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 37322208

約数和(自身を除く): 16306642

約数列:

[1, 2, 11, 13, 22, 26, 143, 197, 286, 373, 394, 746, 2167, 2561, 4103, 4334, 4849, 5122, 8206, 9698, 28171, 53339, 56342, 73481, 106678, 146962, 808291, 955253, 1616582, 1910506, 10507783, 21015566]

約数ペア:

[(1, 21015566), (2, 10507783), (11, 1910506), (13, 1616582), (22, 955253), (26, 808291), (143, 146962), (197, 106678), (286, 73481), (373, 56342), (394, 53339), (746, 28171), (2167, 9698), (2561, 8206), (4103, 5122), (4334, 4849)]