2121063

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 3370752

約数和(自身を除く): 1249689

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 307, 329, 921, 987, 2149, 2303, 6447, 6909, 14429, 15043, 43287, 45129, 101003, 303009, 707021, 2121063]

約数ペア:

[(1, 2121063), (3, 707021), (7, 303009), (21, 101003), (47, 45129), (49, 43287), (141, 15043), (147, 14429), (307, 6909), (329, 6447), (921, 2303), (987, 2149)]