21929866

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25679}}^1$

素因数の和:25749

約数の個数: 16

約数和(自身を含む): 38211840

約数和(自身を除く): 16281974

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25679, 51358, 179753, 359506, 1566419, 3132838, 10964933, 21929866]

約数ペア:

[(1, 21929866), (2, 10964933), (7, 3132838), (14, 1566419), (61, 359506), (122, 179753), (427, 51358), (854, 25679)]