21178049583

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1\times {\mathrm{4691}}^1$

素因数の和:5259

約数の個数: 32

約数和(自身を含む): 29332131840

約数和(自身を除く): 8154082257

約数列:

[1, 3, 43, 79, 129, 237, 443, 1329, 3397, 4691, 10191, 14073, 19049, 34997, 57147, 104991, 201713, 370589, 605139, 1111767, 1504871, 2078113, 4514613, 6234339, 15935327, 47805981, 89358859, 164170927, 268076577, 492512781, 7059349861, 21178049583]

約数ペア:

[(1, 21178049583), (3, 7059349861), (43, 492512781), (79, 268076577), (129, 164170927), (237, 89358859), (443, 47805981), (1329, 15935327), (3397, 6234339), (4691, 4514613), (10191, 2078113), (14073, 1504871), (19049, 1111767), (34997, 605139), (57147, 370589), (104991, 201713)]