21421087775

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{52237}}^1$

素因数の和:52643

約数の個数: 24

約数和(自身を含む): 27205550400

約数和(自身を除く): 5784462625

約数列:

[1, 5, 25, 47, 235, 349, 1175, 1745, 8725, 16403, 52237, 82015, 261185, 410075, 1305925, 2455139, 12275695, 18230713, 61378475, 91153565, 455767825, 856843511, 4284217555, 21421087775]

約数ペア:

[(1, 21421087775), (5, 4284217555), (25, 856843511), (47, 455767825), (235, 91153565), (349, 61378475), (1175, 18230713), (1745, 12275695), (8725, 2455139), (16403, 1305925), (52237, 410075), (82015, 261185)]