21097320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175811}}^1$

素因数の和:175825

約数の個数: 32

約数和(自身を含む): 63292320

約数和(自身を除く): 42195000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175811, 351622, 527433, 703244, 879055, 1054866, 1406488, 1758110, 2109732, 2637165, 3516220, 4219464, 5274330, 7032440, 10548660, 21097320]

約数ペア:

[(1, 21097320), (2, 10548660), (3, 7032440), (4, 5274330), (5, 4219464), (6, 3516220), (8, 2637165), (10, 2109732), (12, 1758110), (15, 1406488), (20, 1054866), (24, 879055), (30, 703244), (40, 527433), (60, 351622), (120, 175811)]