21588684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138389}}^1$

素因数の和:138409

約数の個数: 24

約数和(自身を含む): 54248880

約数和(自身を除く): 32660196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138389, 276778, 415167, 553556, 830334, 1660668, 1799057, 3598114, 5397171, 7196228, 10794342, 21588684]

約数ペア:

[(1, 21588684), (2, 10794342), (3, 7196228), (4, 5397171), (6, 3598114), (12, 1799057), (13, 1660668), (26, 830334), (39, 553556), (52, 415167), (78, 276778), (156, 138389)]