21441862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 37044000

約数和(自身を除く): 15602138

約数列:

[1, 2, 13, 17, 26, 34, 139, 221, 278, 349, 442, 698, 1807, 2363, 3614, 4537, 4726, 5933, 9074, 11866, 30719, 48511, 61438, 77129, 97022, 154258, 630643, 824687, 1261286, 1649374, 10720931, 21441862]

約数ペア:

[(1, 21441862), (2, 10720931), (13, 1649374), (17, 1261286), (26, 824687), (34, 630643), (139, 154258), (221, 97022), (278, 77129), (349, 61438), (442, 48511), (698, 30719), (1807, 11866), (2363, 9074), (3614, 5933), (4537, 4726)]