21586084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{727}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 40808768

約数和(自身を除く): 19222684

約数列:

[1, 2, 4, 13, 26, 52, 571, 727, 1142, 1454, 2284, 2908, 7423, 9451, 14846, 18902, 29692, 37804, 415117, 830234, 1660468, 5396521, 10793042, 21586084]

約数ペア:

[(1, 21586084), (2, 10793042), (4, 5396521), (13, 1660468), (26, 830234), (52, 415117), (571, 37804), (727, 29692), (1142, 18902), (1454, 14846), (2284, 9451), (2908, 7423)]