21099512

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7109}}^1$

素因数の和:7175

約数の個数: 32

約数和(自身を含む): 46072800

約数和(自身を除く): 24973288

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7109, 14218, 28436, 49763, 56872, 99526, 199052, 376777, 398104, 753554, 1507108, 2637439, 3014216, 5274878, 10549756, 21099512]

約数ペア:

[(1, 21099512), (2, 10549756), (4, 5274878), (7, 3014216), (8, 2637439), (14, 1507108), (28, 753554), (53, 398104), (56, 376777), (106, 199052), (212, 99526), (371, 56872), (424, 49763), (742, 28436), (1484, 14218), (2968, 7109)]