21476560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38351}}^1$

素因数の和:38371

約数の個数: 40

約数和(自身を含む): 57067776

約数和(自身を除く): 35591216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38351, 76702, 153404, 191755, 268457, 306808, 383510, 536914, 613616, 767020, 1073828, 1342285, 1534040, 2147656, 2684570, 3068080, 4295312, 5369140, 10738280, 21476560]

約数ペア:

[(1, 21476560), (2, 10738280), (4, 5369140), (5, 4295312), (7, 3068080), (8, 2684570), (10, 2147656), (14, 1534040), (16, 1342285), (20, 1073828), (28, 767020), (35, 613616), (40, 536914), (56, 383510), (70, 306808), (80, 268457), (112, 191755), (140, 153404), (280, 76702), (560, 38351)]