21929071773

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1327}}^1\times {\mathrm{1423}}^1$

素因数の和:2846

約数の個数: 48

約数和(自身を含む): 34493153280

約数和(自身を除く): 12564081507

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1327, 1423, 1659, 3871, 3981, 4269, 9289, 9961, 11613, 27867, 29883, 65023, 69727, 104833, 112417, 195069, 209181, 314499, 337251, 733831, 786919, 1888321, 2201493, 2360757, 5136817, 5508433, 5664963, 13218247, 15410451, 16525299, 39654741, 92527729, 149177359, 277583187, 447532077, 1044241513, 3132724539, 7309690591, 21929071773]

約数ペア:

[(1, 21929071773), (3, 7309690591), (7, 3132724539), (21, 1044241513), (49, 447532077), (79, 277583187), (147, 149177359), (237, 92527729), (553, 39654741), (1327, 16525299), (1423, 15410451), (1659, 13218247), (3871, 5664963), (3981, 5508433), (4269, 5136817), (9289, 2360757), (9961, 2201493), (11613, 1888321), (27867, 786919), (29883, 733831), (65023, 337251), (69727, 314499), (104833, 209181), (112417, 195069)]