21370398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11833}}^1$

素因数の和:11888

約数の個数: 32

約数和(自身を含む): 49986816

約数和(自身を除く): 28616418

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11833, 23666, 35499, 70998, 82831, 165662, 248493, 496986, 508819, 1017638, 1526457, 3052914, 3561733, 7123466, 10685199, 21370398]

約数ペア:

[(1, 21370398), (2, 10685199), (3, 7123466), (6, 3561733), (7, 3052914), (14, 1526457), (21, 1017638), (42, 508819), (43, 496986), (86, 248493), (129, 165662), (258, 82831), (301, 70998), (602, 35499), (903, 23666), (1806, 11833)]