21240366

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 52377600

約数和(自身を除く): 31137234

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 258, 266, 301, 399, 602, 619, 798, 817, 903, 1238, 1634, 1806, 1857, 2451, 3714, 4333, 4902, 5719, 8666, 11438, 11761, 12999, 17157, 23522, 25998, 26617, 34314, 35283, 53234, 70566, 79851, 82327, 159702, 164654, 186319, 246981, 372638, 493962, 505723, 558957, 1011446, 1117914, 1517169, 3034338, 3540061, 7080122, 10620183, 21240366]

約数ペア:

[(1, 21240366), (2, 10620183), (3, 7080122), (6, 3540061), (7, 3034338), (14, 1517169), (19, 1117914), (21, 1011446), (38, 558957), (42, 505723), (43, 493962), (57, 372638), (86, 246981), (114, 186319), (129, 164654), (133, 159702), (258, 82327), (266, 79851), (301, 70566), (399, 53234), (602, 35283), (619, 34314), (798, 26617), (817, 25998), (903, 23522), (1238, 17157), (1634, 12999), (1806, 11761), (1857, 11438), (2451, 8666), (3714, 5719), (4333, 4902)]