21490998

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{509}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 23160522

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 227, 454, 509, 681, 1018, 1362, 1527, 3054, 7037, 14074, 15779, 21111, 31558, 42222, 47337, 94674, 115543, 231086, 346629, 693258, 3581833, 7163666, 10745499, 21490998]

約数ペア:

[(1, 21490998), (2, 10745499), (3, 7163666), (6, 3581833), (31, 693258), (62, 346629), (93, 231086), (186, 115543), (227, 94674), (454, 47337), (509, 42222), (681, 31558), (1018, 21111), (1362, 15779), (1527, 14074), (3054, 7037)]