21212296

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 47185740

約数和(自身を除く): 25973444

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 371, 392, 424, 742, 1021, 1484, 2042, 2597, 2968, 4084, 5194, 7147, 8168, 10388, 14294, 20776, 28588, 50029, 54113, 57176, 100058, 108226, 200116, 216452, 378791, 400232, 432904, 757582, 1515164, 2651537, 3030328, 5303074, 10606148, 21212296]

約数ペア:

[(1, 21212296), (2, 10606148), (4, 5303074), (7, 3030328), (8, 2651537), (14, 1515164), (28, 757582), (49, 432904), (53, 400232), (56, 378791), (98, 216452), (106, 200116), (196, 108226), (212, 100058), (371, 57176), (392, 54113), (424, 50029), (742, 28588), (1021, 20776), (1484, 14294), (2042, 10388), (2597, 8168), (2968, 7147), (4084, 5194)]