21307923969

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{28871}}^1$

素因数の和:29081

約数の個数: 32

約数和(自身を含む): 29929870080

約数和(自身を除く): 8621946111

約数列:

[1, 3, 37, 61, 109, 111, 183, 327, 2257, 4033, 6649, 6771, 12099, 19947, 28871, 86613, 246013, 738039, 1068227, 1761131, 3146939, 3204681, 5283393, 9440817, 65161847, 116436743, 191963279, 195485541, 349310229, 575889837, 7102641323, 21307923969]

約数ペア:

[(1, 21307923969), (3, 7102641323), (37, 575889837), (61, 349310229), (109, 195485541), (111, 191963279), (183, 116436743), (327, 65161847), (2257, 9440817), (4033, 5283393), (6649, 3204681), (6771, 3146939), (12099, 1761131), (19947, 1068227), (28871, 738039), (86613, 246013)]