21572668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5683}}^1$

素因数の和:5773

約数の個数: 24

約数和(自身を含む): 41220368

約数和(自身を除く): 19647700

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5683, 11366, 22732, 73879, 147758, 295516, 414859, 829718, 1659436, 5393167, 10786334, 21572668]

約数ペア:

[(1, 21572668), (2, 10786334), (4, 5393167), (13, 1659436), (26, 829718), (52, 414859), (73, 295516), (146, 147758), (292, 73879), (949, 22732), (1898, 11366), (3796, 5683)]