21000966560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18750863}}^1$

素因数の和:18750885

約数の個数: 48

約数和(自身を含む): 56702612736

約数和(自身を除く): 35701646176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18750863, 37501726, 75003452, 93754315, 131256041, 150006904, 187508630, 262512082, 300013808, 375017260, 525024164, 600027616, 656280205, 750034520, 1050048328, 1312560410, 1500069040, 2100096656, 2625120820, 3000138080, 4200193312, 5250241640, 10500483280, 21000966560]

約数ペア:

[(1, 21000966560), (2, 10500483280), (4, 5250241640), (5, 4200193312), (7, 3000138080), (8, 2625120820), (10, 2100096656), (14, 1500069040), (16, 1312560410), (20, 1050048328), (28, 750034520), (32, 656280205), (35, 600027616), (40, 525024164), (56, 375017260), (70, 300013808), (80, 262512082), (112, 187508630), (140, 150006904), (160, 131256041), (224, 93754315), (280, 75003452), (560, 37501726), (1120, 18750863)]