21375528070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1255169}}^1$

素因数の和:1255320

約数の個数: 32

約数和(自身を含む): 41751974880

約数和(自身を除く): 20376446810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 17030, 1255169, 2510338, 6275845, 12551690, 16317197, 32634394, 81585985, 163171970, 164427139, 328854278, 822135695, 1644271390, 2137552807, 4275105614, 10687764035, 21375528070]

約数ペア:

[(1, 21375528070), (2, 10687764035), (5, 4275105614), (10, 2137552807), (13, 1644271390), (26, 822135695), (65, 328854278), (130, 164427139), (131, 163171970), (262, 81585985), (655, 32634394), (1310, 16317197), (1703, 12551690), (3406, 6275845), (8515, 2510338), (17030, 1255169)]