21000295764

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27778169}}^1$

素因数の和:27778189

約数の個数: 48

約数和(自身を含む): 62223100800

約数和(自身を除く): 41222805036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27778169, 55556338, 83334507, 111112676, 166669014, 194447183, 250003521, 333338028, 388894366, 500007042, 583341549, 750010563, 777788732, 1000014084, 1166683098, 1500021126, 1750024647, 2333366196, 3000042252, 3500049294, 5250073941, 7000098588, 10500147882, 21000295764]

約数ペア:

[(1, 21000295764), (2, 10500147882), (3, 7000098588), (4, 5250073941), (6, 3500049294), (7, 3000042252), (9, 2333366196), (12, 1750024647), (14, 1500021126), (18, 1166683098), (21, 1000014084), (27, 777788732), (28, 750010563), (36, 583341549), (42, 500007042), (54, 388894366), (63, 333338028), (84, 250003521), (108, 194447183), (126, 166669014), (189, 111112676), (252, 83334507), (378, 55556338), (756, 27778169)]