21000446964

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27778369}}^1$

素因数の和:27778389

約数の個数: 48

約数和(自身を含む): 62223548800

約数和(自身を除く): 41223101836

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, 27778369, 55556738, 83335107, 111113476, 166670214, 194448583, 250005321, 333340428, 388897166, 500010642, 583345749, 750015963, 777794332, 1000021284, 1166691498, 1500031926, 1750037247, 2333382996, 3000063852, 3500074494, 5250111741, 7000148988, 10500223482, 21000446964]

約数ペア:

[(1, 21000446964), (2, 10500223482), (3, 7000148988), (4, 5250111741), (6, 3500074494), (7, 3000063852), (9, 2333382996), (12, 1750037247), (14, 1500031926), (18, 1166691498), (21, 1000021284), (27, 777794332), (28, 750015963), (36, 583345749), (42, 500010642), (54, 388897166), (63, 333340428), (84, 250005321), (108, 194448583), (126, 166670214), (189, 111113476), (252, 83335107), (378, 55556738), (756, 27778369)]