21191196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135841}}^1$

素因数の和:135861

約数の個数: 24

約数和(自身を含む): 53250064

約数和(自身を除く): 32058868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135841, 271682, 407523, 543364, 815046, 1630092, 1765933, 3531866, 5297799, 7063732, 10595598, 21191196]

約数ペア:

[(1, 21191196), (2, 10595598), (3, 7063732), (4, 5297799), (6, 3531866), (12, 1765933), (13, 1630092), (26, 815046), (39, 543364), (52, 407523), (78, 271682), (156, 135841)]