21550843223

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{1789}}^1\times {\mathrm{18911}}^1$

素因数の和:20727

約数の個数: 24

約数和(自身を含む): 27014279040

約数和(自身を除く): 5463435817

約数列:

[1, 7, 13, 49, 91, 637, 1789, 12523, 18911, 23257, 87661, 132377, 162799, 245843, 926639, 1139593, 1720901, 12046307, 33831779, 236822453, 439813127, 1657757171, 3078691889, 21550843223]

約数ペア:

[(1, 21550843223), (7, 3078691889), (13, 1657757171), (49, 439813127), (91, 236822453), (637, 33831779), (1789, 12046307), (12523, 1720901), (18911, 1139593), (23257, 926639), (87661, 245843), (132377, 162799)]