21038550340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{862943}}^1$

素因数の和:863028

約数の個数: 48

約数和(自身を含む): 46971767808

約数和(自身を除く): 25933217468

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 1060, 1219, 2438, 4876, 6095, 12190, 24380, 862943, 1725886, 3451772, 4314715, 8629430, 17258860, 19847689, 39695378, 45735979, 79390756, 91471958, 99238445, 182943916, 198476890, 228679895, 396953780, 457359790, 914719580, 1051927517, 2103855034, 4207710068, 5259637585, 10519275170, 21038550340]

約数ペア:

[(1, 21038550340), (2, 10519275170), (4, 5259637585), (5, 4207710068), (10, 2103855034), (20, 1051927517), (23, 914719580), (46, 457359790), (53, 396953780), (92, 228679895), (106, 198476890), (115, 182943916), (212, 99238445), (230, 91471958), (265, 79390756), (460, 45735979), (530, 39695378), (1060, 19847689), (1219, 17258860), (2438, 8629430), (4876, 4314715), (6095, 3451772), (12190, 1725886), (24380, 862943)]