21627270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11443}}^1$

素因数の和:11466

約数の個数: 64

約数和(自身を含む): 65917440

約数和(自身を除く): 44290170

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, 11443, 22886, 34329, 57215, 68658, 80101, 102987, 114430, 160202, 171645, 205974, 240303, 308961, 343290, 400505, 480606, 514935, 617922, 720909, 801010, 1029870, 1201515, 1441818, 1544805, 2162727, 2403030, 3089610, 3604545, 4325454, 7209090, 10813635, 21627270]

約数ペア:

[(1, 21627270), (2, 10813635), (3, 7209090), (5, 4325454), (6, 3604545), (7, 3089610), (9, 2403030), (10, 2162727), (14, 1544805), (15, 1441818), (18, 1201515), (21, 1029870), (27, 801010), (30, 720909), (35, 617922), (42, 514935), (45, 480606), (54, 400505), (63, 343290), (70, 308961), (90, 240303), (105, 205974), (126, 171645), (135, 160202), (189, 114430), (210, 102987), (270, 80101), (315, 68658), (378, 57215), (630, 34329), (945, 22886), (1890, 11443)]