21692210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 40658112

約数和(自身を除く): 18965902

約数列:

[1, 2, 5, 10, 43, 61, 86, 122, 215, 305, 430, 610, 827, 1654, 2623, 4135, 5246, 8270, 13115, 26230, 35561, 50447, 71122, 100894, 177805, 252235, 355610, 504470, 2169221, 4338442, 10846105, 21692210]

約数ペア:

[(1, 21692210), (2, 10846105), (5, 4338442), (10, 2169221), (43, 504470), (61, 355610), (86, 252235), (122, 177805), (215, 100894), (305, 71122), (430, 50447), (610, 35561), (827, 26230), (1654, 13115), (2623, 8270), (4135, 5246)]