21928864321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{35801}}^1$

素因数の和:36001

約数の個数: 32

約数和(自身を含む): 27715903488

約数和(自身を除く): 5787039167

約数列:

[1, 7, 13, 53, 91, 127, 371, 689, 889, 1651, 4823, 6731, 11557, 35801, 47117, 87503, 250607, 465413, 612521, 1897453, 3257891, 4546727, 13282171, 24666889, 31827089, 59107451, 172668223, 240976531, 413752157, 1686835717, 3132694903, 21928864321]

約数ペア:

[(1, 21928864321), (7, 3132694903), (13, 1686835717), (53, 413752157), (91, 240976531), (127, 172668223), (371, 59107451), (689, 31827089), (889, 24666889), (1651, 13282171), (4823, 4546727), (6731, 3257891), (11557, 1897453), (35801, 612521), (47117, 465413), (87503, 250607)]