21179463

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 28723200

約数和(自身を除く): 7543737

約数列:

[1, 3, 109, 239, 271, 327, 717, 813, 26051, 29539, 64769, 78153, 88617, 194307, 7059821, 21179463]

約数ペア:

[(1, 21179463), (3, 7059821), (109, 194307), (239, 88617), (271, 78153), (327, 64769), (717, 29539), (813, 26051)]