21741276

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{20357}}^1$

素因数の和:20453

約数の個数: 24

約数和(自身を含む): 51302160

約数和(自身を除く): 29560884

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 20357, 40714, 61071, 81428, 122142, 244284, 1811773, 3623546, 5435319, 7247092, 10870638, 21741276]

約数ペア:

[(1, 21741276), (2, 10870638), (3, 7247092), (4, 5435319), (6, 3623546), (12, 1811773), (89, 244284), (178, 122142), (267, 81428), (356, 61071), (534, 40714), (1068, 20357)]