21231093065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{2203}}^1$

素因数の和:2646

約数の個数: 64

約数和(自身を含む): 31991500800

約数和(自身を除く): 10760407735

約数列:

[1, 5, 7, 13, 35, 59, 65, 91, 295, 359, 413, 455, 767, 1795, 2065, 2203, 2513, 3835, 4667, 5369, 11015, 12565, 15421, 21181, 23335, 26845, 28639, 32669, 77105, 105905, 129977, 143195, 148267, 163345, 200473, 275353, 649885, 741335, 790877, 909839, 1002365, 1376765, 1689701, 1927471, 3954385, 4549195, 5536139, 8448505, 9637355, 10281401, 11827907, 27680695, 46661743, 51407005, 59139535, 71969807, 233308715, 326632201, 359849035, 606602659, 1633161005, 3033013295, 4246218613, 21231093065]

約数ペア:

[(1, 21231093065), (5, 4246218613), (7, 3033013295), (13, 1633161005), (35, 606602659), (59, 359849035), (65, 326632201), (91, 233308715), (295, 71969807), (359, 59139535), (413, 51407005), (455, 46661743), (767, 27680695), (1795, 11827907), (2065, 10281401), (2203, 9637355), (2513, 8448505), (3835, 5536139), (4667, 4549195), (5369, 3954385), (11015, 1927471), (12565, 1689701), (15421, 1376765), (21181, 1002365), (23335, 909839), (26845, 790877), (28639, 741335), (32669, 649885), (77105, 275353), (105905, 200473), (129977, 163345), (143195, 148267)]