21846955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1163}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 30017232

約数和(自身を除く): 8170277

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1163, 1445, 3757, 5815, 15119, 18785, 19771, 75595, 98855, 257023, 336107, 1285115, 1680535, 4369391, 21846955]

約数ペア:

[(1, 21846955), (5, 4369391), (13, 1680535), (17, 1285115), (65, 336107), (85, 257023), (221, 98855), (289, 75595), (1105, 19771), (1163, 18785), (1445, 15119), (3757, 5815)]