21683572

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4447}}^1$

素因数の和:4527

約数の個数: 24

約数和(自身を含む): 40352256

約数和(自身を除く): 18668684

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4447, 4876, 8894, 17788, 102281, 204562, 235691, 409124, 471382, 942764, 5420893, 10841786, 21683572]

約数ペア:

[(1, 21683572), (2, 10841786), (4, 5420893), (23, 942764), (46, 471382), (53, 409124), (92, 235691), (106, 204562), (212, 102281), (1219, 17788), (2438, 8894), (4447, 4876)]