21500104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 43011000

約数和(自身を除く): 21510896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149, 298, 596, 1061, 1192, 2122, 2533, 4244, 5066, 8488, 10132, 18037, 20264, 36074, 72148, 144296, 158089, 316178, 632356, 1264712, 2687513, 5375026, 10750052, 21500104]

約数ペア:

[(1, 21500104), (2, 10750052), (4, 5375026), (8, 2687513), (17, 1264712), (34, 632356), (68, 316178), (136, 158089), (149, 144296), (298, 72148), (596, 36074), (1061, 20264), (1192, 18037), (2122, 10132), (2533, 8488), (4244, 5066)]