21099870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21313}}^1$

素因数の和:21337

約数の個数: 48

約数和(自身を含む): 59849712

約数和(自身を除く): 38749842

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21313, 42626, 63939, 106565, 127878, 191817, 213130, 234443, 319695, 383634, 468886, 639390, 703329, 959085, 1172215, 1406658, 1918170, 2109987, 2344430, 3516645, 4219974, 7033290, 10549935, 21099870]

約数ペア:

[(1, 21099870), (2, 10549935), (3, 7033290), (5, 4219974), (6, 3516645), (9, 2344430), (10, 2109987), (11, 1918170), (15, 1406658), (18, 1172215), (22, 959085), (30, 703329), (33, 639390), (45, 468886), (55, 383634), (66, 319695), (90, 234443), (99, 213130), (110, 191817), (165, 127878), (198, 106565), (330, 63939), (495, 42626), (990, 21313)]