21983390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15373}}^1$

素因数の和:15404

約数の個数: 32

約数和(自身を含む): 46490976

約数和(自身を除く): 24507586

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 15373, 30746, 76865, 153730, 169103, 199849, 338206, 399698, 845515, 999245, 1691030, 1998490, 2198339, 4396678, 10991695, 21983390]

約数ペア:

[(1, 21983390), (2, 10991695), (5, 4396678), (10, 2198339), (11, 1998490), (13, 1691030), (22, 999245), (26, 845515), (55, 399698), (65, 338206), (110, 199849), (130, 169103), (143, 153730), (286, 76865), (715, 30746), (1430, 15373)]