21248994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{272423}}^1$

素因数の和:272441

約数の個数: 16

約数和(自身を含む): 45767232

約数和(自身を除く): 24518238

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 272423, 544846, 817269, 1634538, 3541499, 7082998, 10624497, 21248994]

約数ペア:

[(1, 21248994), (2, 10624497), (3, 7082998), (6, 3541499), (13, 1634538), (26, 817269), (39, 544846), (78, 272423)]