21776350

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 42408000

約数和(自身を除く): 20631650

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 79, 149, 158, 185, 298, 370, 395, 745, 790, 925, 1490, 1850, 1975, 2923, 3725, 3950, 5513, 5846, 7450, 11026, 11771, 14615, 23542, 27565, 29230, 55130, 58855, 73075, 117710, 137825, 146150, 275650, 294275, 435527, 588550, 871054, 2177635, 4355270, 10888175, 21776350]

約数ペア:

[(1, 21776350), (2, 10888175), (5, 4355270), (10, 2177635), (25, 871054), (37, 588550), (50, 435527), (74, 294275), (79, 275650), (149, 146150), (158, 137825), (185, 117710), (298, 73075), (370, 58855), (395, 55130), (745, 29230), (790, 27565), (925, 23542), (1490, 14615), (1850, 11771), (1975, 11026), (2923, 7450), (3725, 5846), (3950, 5513)]