21541254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8693}}^1$

素因数の和:8764

約数の個数: 32

約数和(自身を含む): 50077440

約数和(自身を除く): 28536186

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 8693, 17386, 26079, 52158, 60851, 121702, 182553, 365106, 512887, 1025774, 1538661, 3077322, 3590209, 7180418, 10770627, 21541254]

約数ペア:

[(1, 21541254), (2, 10770627), (3, 7180418), (6, 3590209), (7, 3077322), (14, 1538661), (21, 1025774), (42, 512887), (59, 365106), (118, 182553), (177, 121702), (354, 60851), (413, 52158), (826, 26079), (1239, 17386), (2478, 8693)]