21929121

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1483}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 33336576

約数和(自身を除く): 11407455

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1483, 1643, 4449, 4929, 13347, 14787, 45973, 78599, 137919, 235797, 413757, 707391, 2436569, 7309707, 21929121]

約数ペア:

[(1, 21929121), (3, 7309707), (9, 2436569), (31, 707391), (53, 413757), (93, 235797), (159, 137919), (279, 78599), (477, 45973), (1483, 14787), (1643, 13347), (4449, 4929)]