21200750

素因数分解:

$2^1\times 5^3\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 40042080

約数和(自身を除く): 18841330

約数列:

[1, 2, 5, 10, 25, 50, 125, 137, 250, 274, 619, 685, 1238, 1370, 3095, 3425, 6190, 6850, 15475, 17125, 30950, 34250, 77375, 84803, 154750, 169606, 424015, 848030, 2120075, 4240150, 10600375, 21200750]

約数ペア:

[(1, 21200750), (2, 10600375), (5, 4240150), (10, 2120075), (25, 848030), (50, 424015), (125, 169606), (137, 154750), (250, 84803), (274, 77375), (619, 34250), (685, 30950), (1238, 17125), (1370, 15475), (3095, 6850), (3425, 6190)]