215221398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269701}}^1$

素因数の和:269732

約数の個数: 32

約数和(自身を含む): 517827840

約数和(自身を除く): 302606442

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 269701, 539402, 809103, 1618206, 1887907, 3775814, 5124319, 5663721, 10248638, 11327442, 15372957, 30745914, 35870233, 71740466, 107610699, 215221398]

約数ペア:

[(1, 215221398), (2, 107610699), (3, 71740466), (6, 35870233), (7, 30745914), (14, 15372957), (19, 11327442), (21, 10248638), (38, 5663721), (42, 5124319), (57, 3775814), (114, 1887907), (133, 1618206), (266, 809103), (399, 539402), (798, 269701)]