21979427366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4243}}^1\times {\mathrm{6427}}^1$

素因数の和:10716

約数の個数: 32

約数和(自身を含む): 36664900608

約数和(自身を除く): 14685473242

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 4243, 6427, 8486, 12854, 55159, 83551, 110318, 131533, 167102, 199237, 263066, 398474, 1709929, 2590081, 3419858, 5180162, 27269761, 54539522, 354506893, 709013786, 845362591, 1690725182, 10989713683, 21979427366]

約数ペア:

[(1, 21979427366), (2, 10989713683), (13, 1690725182), (26, 845362591), (31, 709013786), (62, 354506893), (403, 54539522), (806, 27269761), (4243, 5180162), (6427, 3419858), (8486, 2590081), (12854, 1709929), (55159, 398474), (83551, 263066), (110318, 199237), (131533, 167102)]