21645246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3413}}^1$

素因数の和:3576

約数の個数: 32

約数和(自身を含む): 49817088

約数和(自身を除く): 28171842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 151, 302, 453, 906, 1057, 2114, 3171, 3413, 6342, 6826, 10239, 20478, 23891, 47782, 71673, 143346, 515363, 1030726, 1546089, 3092178, 3607541, 7215082, 10822623, 21645246]

約数ペア:

[(1, 21645246), (2, 10822623), (3, 7215082), (6, 3607541), (7, 3092178), (14, 1546089), (21, 1030726), (42, 515363), (151, 143346), (302, 71673), (453, 47782), (906, 23891), (1057, 20478), (2114, 10239), (3171, 6826), (3413, 6342)]