2021056144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{74699}}^1$

素因数の和:74815

約数の個数: 40

約数和(自身を含む): 4168260000

約数和(自身を除く): 2147203856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1424, 1691, 3382, 6764, 13528, 27056, 74699, 149398, 298796, 597592, 1195184, 1419281, 2838562, 5677124, 6648211, 11354248, 13296422, 22708496, 26592844, 53185688, 106371376, 126316009, 252632018, 505264036, 1010528072, 2021056144]

約数ペア:

[(1, 2021056144), (2, 1010528072), (4, 505264036), (8, 252632018), (16, 126316009), (19, 106371376), (38, 53185688), (76, 26592844), (89, 22708496), (152, 13296422), (178, 11354248), (304, 6648211), (356, 5677124), (712, 2838562), (1424, 1419281), (1691, 1195184), (3382, 597592), (6764, 298796), (13528, 149398), (27056, 74699)]