21968961904

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{130259}}^1$

素因数の和:130477

約数の個数: 40

約数和(自身を含む): 43417221120

約数和(自身を除く): 21448259216

約数列:

[1, 2, 4, 8, 16, 83, 127, 166, 254, 332, 508, 664, 1016, 1328, 2032, 10541, 21082, 42164, 84328, 130259, 168656, 260518, 521036, 1042072, 2084144, 10811497, 16542893, 21622994, 33085786, 43245988, 66171572, 86491976, 132343144, 172983952, 264686288, 1373060119, 2746120238, 5492240476, 10984480952, 21968961904]

約数ペア:

[(1, 21968961904), (2, 10984480952), (4, 5492240476), (8, 2746120238), (16, 1373060119), (83, 264686288), (127, 172983952), (166, 132343144), (254, 86491976), (332, 66171572), (508, 43245988), (664, 33085786), (1016, 21622994), (1328, 16542893), (2032, 10811497), (10541, 2084144), (21082, 1042072), (42164, 521036), (84328, 260518), (130259, 168656)]