21444917

素因数分解:

${\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 16

約数和(自身を含む): 23876160

約数和(自身を除く): 2431243

約数列:

[1, 13, 43, 169, 227, 559, 2197, 2951, 7267, 9761, 38363, 94471, 126893, 498719, 1649609, 21444917]

約数ペア:

[(1, 21444917), (13, 1649609), (43, 498719), (169, 126893), (227, 94471), (559, 38363), (2197, 9761), (2951, 7267)]