21735276

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 53829888

約数和(自身を除く): 32094612

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 61, 69, 92, 122, 138, 183, 244, 276, 366, 732, 1291, 1403, 2582, 2806, 3873, 4209, 5164, 5612, 7746, 8418, 15492, 16836, 29693, 59386, 78751, 89079, 118772, 157502, 178158, 236253, 315004, 356316, 472506, 945012, 1811273, 3622546, 5433819, 7245092, 10867638, 21735276]

約数ペア:

[(1, 21735276), (2, 10867638), (3, 7245092), (4, 5433819), (6, 3622546), (12, 1811273), (23, 945012), (46, 472506), (61, 356316), (69, 315004), (92, 236253), (122, 178158), (138, 157502), (183, 118772), (244, 89079), (276, 78751), (366, 59386), (732, 29693), (1291, 16836), (1403, 15492), (2582, 8418), (2806, 7746), (3873, 5612), (4209, 5164)]