21167976955

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1\times {\mathrm{47717}}^1$

素因数の和:48063

約数の個数: 24

約数和(自身を含む): 27072139248

約数和(自身を除く): 5904162293

約数列:

[1, 5, 17, 85, 289, 307, 1445, 1535, 5219, 26095, 47717, 88723, 238585, 443615, 811189, 4055945, 13790213, 14649119, 68951065, 73245595, 249035023, 1245175115, 4233595391, 21167976955]

約数ペア:

[(1, 21167976955), (5, 4233595391), (17, 1245175115), (85, 249035023), (289, 73245595), (307, 68951065), (1445, 14649119), (1535, 13790213), (5219, 4055945), (26095, 811189), (47717, 443615), (88723, 238585)]