21099488

素因数分解:

$2^5\times {\mathrm{197}}^1\times {\mathrm{3347}}^1$

素因数の和:3554

約数の個数: 24

約数和(自身を含む): 41762952

約数和(自身を除く): 20663464

約数列:

[1, 2, 4, 8, 16, 32, 197, 394, 788, 1576, 3152, 3347, 6304, 6694, 13388, 26776, 53552, 107104, 659359, 1318718, 2637436, 5274872, 10549744, 21099488]

約数ペア:

[(1, 21099488), (2, 10549744), (4, 5274872), (8, 2637436), (16, 1318718), (32, 659359), (197, 107104), (394, 53552), (788, 26776), (1576, 13388), (3152, 6694), (3347, 6304)]