21288360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9337}}^1$

素因数の和:9370

約数の個数: 64

約数和(自身を含む): 67233600

約数和(自身を除く): 45945240

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, 9337, 18674, 28011, 37348, 46685, 56022, 74696, 93370, 112044, 140055, 177403, 186740, 224088, 280110, 354806, 373480, 532209, 560220, 709612, 887015, 1064418, 1120440, 1419224, 1774030, 2128836, 2661045, 3548060, 4257672, 5322090, 7096120, 10644180, 21288360]

約数ペア:

[(1, 21288360), (2, 10644180), (3, 7096120), (4, 5322090), (5, 4257672), (6, 3548060), (8, 2661045), (10, 2128836), (12, 1774030), (15, 1419224), (19, 1120440), (20, 1064418), (24, 887015), (30, 709612), (38, 560220), (40, 532209), (57, 373480), (60, 354806), (76, 280110), (95, 224088), (114, 186740), (120, 177403), (152, 140055), (190, 112044), (228, 93370), (285, 74696), (380, 56022), (456, 46685), (570, 37348), (760, 28011), (1140, 18674), (2280, 9337)]