2100031900

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{153287}}^1$

素因数の和:153438

約数の個数: 36

約数和(自身を含む): 4590362448

約数和(自身を除く): 2490330548

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 2740, 3425, 6850, 13700, 153287, 306574, 613148, 766435, 1532870, 3065740, 3832175, 7664350, 15328700, 21000319, 42000638, 84001276, 105001595, 210003190, 420006380, 525007975, 1050015950, 2100031900]

約数ペア:

[(1, 2100031900), (2, 1050015950), (4, 525007975), (5, 420006380), (10, 210003190), (20, 105001595), (25, 84001276), (50, 42000638), (100, 21000319), (137, 15328700), (274, 7664350), (548, 3832175), (685, 3065740), (1370, 1532870), (2740, 766435), (3425, 613148), (6850, 306574), (13700, 153287)]