21801436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7753}}^1$

素因数の和:7813

約数の個数: 24

約数和(自身を含む): 41251280

約数和(自身を除く): 19449844

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7753, 15506, 31012, 147307, 286861, 294614, 573722, 589228, 1147444, 5450359, 10900718, 21801436]

約数ペア:

[(1, 21801436), (2, 10900718), (4, 5450359), (19, 1147444), (37, 589228), (38, 573722), (74, 294614), (76, 286861), (148, 147307), (703, 31012), (1406, 15506), (2812, 7753)]