21099858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1723}}^1$

素因数の和:1898

約数の個数: 32

約数和(自身を含む): 45761856

約数和(自身を除く): 24661998

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 942, 1723, 2041, 3446, 4082, 5169, 6123, 10338, 12246, 22399, 44798, 67197, 134394, 270511, 541022, 811533, 1623066, 3516643, 7033286, 10549929, 21099858]

約数ペア:

[(1, 21099858), (2, 10549929), (3, 7033286), (6, 3516643), (13, 1623066), (26, 811533), (39, 541022), (78, 270511), (157, 134394), (314, 67197), (471, 44798), (942, 22399), (1723, 12246), (2041, 10338), (3446, 6123), (4082, 5169)]