21442642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1307}}^1$

素因数の和:1953

約数の個数: 16

約数和(自身を含む): 34719552

約数和(自身を除く): 13276910

約数列:

[1, 2, 13, 26, 631, 1262, 1307, 2614, 8203, 16406, 16991, 33982, 824717, 1649434, 10721321, 21442642]

約数ペア:

[(1, 21442642), (2, 10721321), (13, 1649434), (26, 824717), (631, 33982), (1262, 16991), (1307, 16406), (2614, 8203)]