21094290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11161}}^1$

素因数の和:11184

約数の個数: 64

約数和(自身を含む): 64293120

約数和(自身を除く): 43198830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11161, 22322, 33483, 55805, 66966, 78127, 100449, 111610, 156254, 167415, 200898, 234381, 301347, 334830, 390635, 468762, 502245, 602694, 703143, 781270, 1004490, 1171905, 1406286, 1506735, 2109429, 2343810, 3013470, 3515715, 4218858, 7031430, 10547145, 21094290]

約数ペア:

[(1, 21094290), (2, 10547145), (3, 7031430), (5, 4218858), (6, 3515715), (7, 3013470), (9, 2343810), (10, 2109429), (14, 1506735), (15, 1406286), (18, 1171905), (21, 1004490), (27, 781270), (30, 703143), (35, 602694), (42, 502245), (45, 468762), (54, 390635), (63, 334830), (70, 301347), (90, 234381), (105, 200898), (126, 167415), (135, 156254), (189, 111610), (210, 100449), (270, 78127), (315, 66966), (378, 55805), (630, 33483), (945, 22322), (1890, 11161)]