21291363952

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{599}}^1\times {\mathrm{71663}}^1$

素因数の和:72301

約数の個数: 40

約数和(自身を含む): 42654412800

約数和(自身を除く): 21363048848

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 599, 1198, 2396, 4792, 9584, 18569, 37138, 71663, 74276, 143326, 148552, 286652, 297104, 573304, 1146608, 2221553, 4443106, 8886212, 17772424, 35544848, 42926137, 85852274, 171704548, 343409096, 686818192, 1330710247, 2661420494, 5322840988, 10645681976, 21291363952]

約数ペア:

[(1, 21291363952), (2, 10645681976), (4, 5322840988), (8, 2661420494), (16, 1330710247), (31, 686818192), (62, 343409096), (124, 171704548), (248, 85852274), (496, 42926137), (599, 35544848), (1198, 17772424), (2396, 8886212), (4792, 4443106), (9584, 2221553), (18569, 1146608), (37138, 573304), (71663, 297104), (74276, 286652), (143326, 148552)]