21842572

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 39218256

約数和(自身を除く): 17375684

約数列:

[1, 2, 4, 53, 106, 197, 212, 394, 523, 788, 1046, 2092, 10441, 20882, 27719, 41764, 55438, 103031, 110876, 206062, 412124, 5460643, 10921286, 21842572]

約数ペア:

[(1, 21842572), (2, 10921286), (4, 5460643), (53, 412124), (106, 206062), (197, 110876), (212, 103031), (394, 55438), (523, 41764), (788, 27719), (1046, 20882), (2092, 10441)]