21098556

素因数分解:

$2^2\times 3^4\times {\mathrm{65119}}^1$

素因数の和:65135

約数の個数: 30

約数和(自身を含む): 55156640

約数和(自身を除く): 34058084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65119, 130238, 195357, 260476, 390714, 586071, 781428, 1172142, 1758213, 2344284, 3516426, 5274639, 7032852, 10549278, 21098556]

約数ペア:

[(1, 21098556), (2, 10549278), (3, 7032852), (4, 5274639), (6, 3516426), (9, 2344284), (12, 1758213), (18, 1172142), (27, 781428), (36, 586071), (54, 390714), (81, 260476), (108, 195357), (162, 130238), (324, 65119)]