21482373

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 33436800

約数和(自身を除く): 11954427

約数列:

[1, 3, 11, 17, 33, 51, 149, 187, 257, 447, 561, 771, 1639, 2533, 2827, 4369, 4917, 7599, 8481, 13107, 27863, 38293, 48059, 83589, 114879, 144177, 421223, 650981, 1263669, 1952943, 7160791, 21482373]

約数ペア:

[(1, 21482373), (3, 7160791), (11, 1952943), (17, 1263669), (33, 650981), (51, 421223), (149, 144177), (187, 114879), (257, 83589), (447, 48059), (561, 38293), (771, 27863), (1639, 13107), (2533, 8481), (2827, 7599), (4369, 4917)]