21513006

素因数分解:

$2^1\times 3^3\times {\mathrm{269}}^1\times {\mathrm{1481}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 48016800

約数和(自身を除く): 26503794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 269, 538, 807, 1481, 1614, 2421, 2962, 4443, 4842, 7263, 8886, 13329, 14526, 26658, 39987, 79974, 398389, 796778, 1195167, 2390334, 3585501, 7171002, 10756503, 21513006]

約数ペア:

[(1, 21513006), (2, 10756503), (3, 7171002), (6, 3585501), (9, 2390334), (18, 1195167), (27, 796778), (54, 398389), (269, 79974), (538, 39987), (807, 26658), (1481, 14526), (1614, 13329), (2421, 8886), (2962, 7263), (4443, 4842)]