21093480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19531}}^1$

素因数の和:19551

約数の個数: 64

約数和(自身を含む): 70315200

約数和(自身を除く): 49221720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19531, 39062, 58593, 78124, 97655, 117186, 156248, 175779, 195310, 234372, 292965, 351558, 390620, 468744, 527337, 585930, 703116, 781240, 878895, 1054674, 1171860, 1406232, 1757790, 2109348, 2343720, 2636685, 3515580, 4218696, 5273370, 7031160, 10546740, 21093480]

約数ペア:

[(1, 21093480), (2, 10546740), (3, 7031160), (4, 5273370), (5, 4218696), (6, 3515580), (8, 2636685), (9, 2343720), (10, 2109348), (12, 1757790), (15, 1406232), (18, 1171860), (20, 1054674), (24, 878895), (27, 781240), (30, 703116), (36, 585930), (40, 527337), (45, 468744), (54, 390620), (60, 351558), (72, 292965), (90, 234372), (108, 195310), (120, 175779), (135, 156248), (180, 117186), (216, 97655), (270, 78124), (360, 58593), (540, 39062), (1080, 19531)]