21919222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 37939104

約数和(自身を除く): 16019882

約数列:

[1, 2, 13, 17, 26, 34, 101, 202, 221, 442, 491, 982, 1313, 1717, 2626, 3434, 6383, 8347, 12766, 16694, 22321, 44642, 49591, 99182, 108511, 217022, 644683, 843047, 1289366, 1686094, 10959611, 21919222]

約数ペア:

[(1, 21919222), (2, 10959611), (13, 1686094), (17, 1289366), (26, 843047), (34, 644683), (101, 217022), (202, 108511), (221, 99182), (442, 49591), (491, 44642), (982, 22321), (1313, 16694), (1717, 12766), (2626, 8347), (3434, 6383)]