20211249976

素因数分解:

$2^3\times {\mathrm{647}}^1\times {\mathrm{3904801}}^1$

素因数の和:3905454

約数の個数: 16

約数和(自身を含む): 37954675440

約数和(自身を除く): 17743425464

約数列:

[1, 2, 4, 8, 647, 1294, 2588, 5176, 3904801, 7809602, 15619204, 31238408, 2526406247, 5052812494, 10105624988, 20211249976]

約数ペア:

[(1, 20211249976), (2, 10105624988), (4, 5052812494), (8, 2526406247), (647, 31238408), (1294, 15619204), (2588, 7809602), (5176, 3904801)]