21568441808

素因数分解:

$2^4\times {\mathrm{7919}}^1\times {\mathrm{170227}}^1$

素因数の和:178154

約数の個数: 20

約数和(自身を含む): 41794378560

約数和(自身を除く): 20225936752

約数列:

[1, 2, 4, 8, 16, 7919, 15838, 31676, 63352, 126704, 170227, 340454, 680908, 1361816, 2723632, 1348027613, 2696055226, 5392110452, 10784220904, 21568441808]

約数ペア:

[(1, 21568441808), (2, 10784220904), (4, 5392110452), (8, 2696055226), (16, 1348027613), (7919, 2723632), (15838, 1361816), (31676, 680908), (63352, 340454), (126704, 170227)]