21178982015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1129847}}^1$

素因数の和:1130038

約数の個数: 16

約数和(自身を含む): 26682490368

約数和(自身を除く): 5503508353

約数列:

[1, 5, 23, 115, 163, 815, 3749, 18745, 1129847, 5649235, 25986481, 129932405, 184165061, 920825305, 4235796403, 21178982015]

約数ペア:

[(1, 21178982015), (5, 4235796403), (23, 920825305), (115, 184165061), (163, 129932405), (815, 25986481), (3749, 5649235), (18745, 1129847)]