21079254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6353}}^1$

素因数の和:6444

約数の個数: 32

約数和(自身を含む): 48798720

約数和(自身を除く): 27719466

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6353, 12706, 19059, 38118, 44471, 88942, 133413, 266826, 501887, 1003774, 1505661, 3011322, 3513209, 7026418, 10539627, 21079254]

約数ペア:

[(1, 21079254), (2, 10539627), (3, 7026418), (6, 3513209), (7, 3011322), (14, 1505661), (21, 1003774), (42, 501887), (79, 266826), (158, 133413), (237, 88942), (474, 44471), (553, 38118), (1106, 19059), (1659, 12706), (3318, 6353)]