21940440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9623}}^1$

素因数の和:9656

約数の個数: 64

約数和(自身を含む): 69292800

約数和(自身を除く): 47352360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9623, 19246, 28869, 38492, 48115, 57738, 76984, 96230, 115476, 144345, 182837, 192460, 230952, 288690, 365674, 384920, 548511, 577380, 731348, 914185, 1097022, 1154760, 1462696, 1828370, 2194044, 2742555, 3656740, 4388088, 5485110, 7313480, 10970220, 21940440]

約数ペア:

[(1, 21940440), (2, 10970220), (3, 7313480), (4, 5485110), (5, 4388088), (6, 3656740), (8, 2742555), (10, 2194044), (12, 1828370), (15, 1462696), (19, 1154760), (20, 1097022), (24, 914185), (30, 731348), (38, 577380), (40, 548511), (57, 384920), (60, 365674), (76, 288690), (95, 230952), (114, 192460), (120, 182837), (152, 144345), (190, 115476), (228, 96230), (285, 76984), (380, 57738), (456, 48115), (570, 38492), (760, 28869), (1140, 19246), (2280, 9623)]