21903390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12809}}^1$

素因数の和:12841

約数の個数: 48

約数和(自身を含む): 59950800

約数和(自身を除く): 38047410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12809, 25618, 38427, 64045, 76854, 115281, 128090, 192135, 230562, 243371, 384270, 486742, 576405, 730113, 1152810, 1216855, 1460226, 2190339, 2433710, 3650565, 4380678, 7301130, 10951695, 21903390]

約数ペア:

[(1, 21903390), (2, 10951695), (3, 7301130), (5, 4380678), (6, 3650565), (9, 2433710), (10, 2190339), (15, 1460226), (18, 1216855), (19, 1152810), (30, 730113), (38, 576405), (45, 486742), (57, 384270), (90, 243371), (95, 230562), (114, 192135), (171, 128090), (190, 115281), (285, 76854), (342, 64045), (570, 38427), (855, 25618), (1710, 12809)]