21324590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 45471456

約数和(自身を除く): 24146866

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 317, 434, 634, 961, 1085, 1585, 1922, 2170, 2219, 3170, 4438, 4805, 6727, 9610, 9827, 11095, 13454, 19654, 22190, 33635, 49135, 67270, 68789, 98270, 137578, 304637, 343945, 609274, 687890, 1523185, 2132459, 3046370, 4264918, 10662295, 21324590]

約数ペア:

[(1, 21324590), (2, 10662295), (5, 4264918), (7, 3046370), (10, 2132459), (14, 1523185), (31, 687890), (35, 609274), (62, 343945), (70, 304637), (155, 137578), (217, 98270), (310, 68789), (317, 67270), (434, 49135), (634, 33635), (961, 22190), (1085, 19654), (1585, 13454), (1922, 11095), (2170, 9827), (2219, 9610), (3170, 6727), (4438, 4805)]