21314215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 29393280

約数和(自身を除く): 8079065

約数列:

[1, 5, 13, 23, 53, 65, 115, 265, 269, 299, 689, 1219, 1345, 1495, 3445, 3497, 6095, 6187, 14257, 15847, 17485, 30935, 71285, 79235, 80431, 185341, 327911, 402155, 926705, 1639555, 4262843, 21314215]

約数ペア:

[(1, 21314215), (5, 4262843), (13, 1639555), (23, 926705), (53, 402155), (65, 327911), (115, 185341), (265, 80431), (269, 79235), (299, 71285), (689, 30935), (1219, 17485), (1345, 15847), (1495, 14257), (3445, 6187), (3497, 6095)]