21749908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6089}}^1$

素因数の和:6159

約数の個数: 24

約数和(自身を含む): 40924800

約数和(自身を除く): 19174892

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 6089, 12178, 24356, 115691, 231382, 286183, 462764, 572366, 1144732, 5437477, 10874954, 21749908]

約数ペア:

[(1, 21749908), (2, 10874954), (4, 5437477), (19, 1144732), (38, 572366), (47, 462764), (76, 286183), (94, 231382), (188, 115691), (893, 24356), (1786, 12178), (3572, 6089)]